treewide: rework linker symbol declarations in sections header

1. Convert all linker symbols to char[] type so that we can get the
   corresponding address by calling array name 'var' or its address
   '&var'. In this way, we can avoid some potential issues[1].
2. Remove unused symbol '_TEXT_BASE'. It has been abandoned and has
   not been referenced by any source code.
3. Move '__data_end' to the arch x86's own sections header as it's
   only used by x86 arch.
4. Remove some duplicate declared linker symbols. Now we use the
   standard header file to declare them.

[1] This patch fixes the boot failure on MIPS target. Error log:
SPL: Image overlaps SPL

Fixes: 1b8a1be1a1f1 ("spl: spl_legacy: Fix spl_end address")
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/imx8mm_evk/spl.c b/board/freescale/imx8mm_evk/spl.c
index 6e95138..3543781 100644
--- a/board/freescale/imx8mm_evk/spl.c
+++ b/board/freescale/imx8mm_evk/spl.c
@@ -19,6 +19,7 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/arch/ddr.h>
+#include <asm/sections.h>
 
 #include <dm/uclass.h>
 #include <dm/device.h>
diff --git a/board/freescale/imx8mn_evk/spl.c b/board/freescale/imx8mn_evk/spl.c
index ec0378b..dd54fa9 100644
--- a/board/freescale/imx8mn_evk/spl.c
+++ b/board/freescale/imx8mn_evk/spl.c
@@ -20,6 +20,7 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/arch/ddr.h>
+#include <asm/sections.h>
 
 #include <dm/uclass.h>
 #include <dm/device.h>
diff --git a/board/freescale/imx8mq_evk/spl.c b/board/freescale/imx8mq_evk/spl.c
index bea9ddc..818cdd6 100644
--- a/board/freescale/imx8mq_evk/spl.c
+++ b/board/freescale/imx8mq_evk/spl.c
@@ -20,6 +20,7 @@
 #include <asm/mach-imx/iomux-v3.h>
 #include <asm/mach-imx/gpio.h>
 #include <asm/mach-imx/mxc_i2c.h>
+#include <asm/sections.h>
 #include <fsl_esdhc_imx.h>
 #include <fsl_sec.h>
 #include <mmc.h>
diff --git a/board/freescale/imx8qm_mek/spl.c b/board/freescale/imx8qm_mek/spl.c
index 332a662..17fd437 100644
--- a/board/freescale/imx8qm_mek/spl.c
+++ b/board/freescale/imx8qm_mek/spl.c
@@ -17,6 +17,7 @@
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/sections.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c
index 75aab16..462c43c 100644
--- a/board/freescale/imx8qxp_mek/spl.c
+++ b/board/freescale/imx8qxp_mek/spl.c
@@ -22,6 +22,7 @@
 #include <asm/arch/imx8-pins.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/sections.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/freescale/imx8ulp_evk/spl.c b/board/freescale/imx8ulp_evk/spl.c
index 66d0f68..c49b5be 100644
--- a/board/freescale/imx8ulp_evk/spl.c
+++ b/board/freescale/imx8ulp_evk/spl.c
@@ -20,6 +20,7 @@
 #include <asm/arch/rdc.h>
 #include <asm/arch/upower.h>
 #include <asm/mach-imx/ele_api.h>
+#include <asm/sections.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/freescale/imx93_evk/spl.c b/board/freescale/imx93_evk/spl.c
index 63883b3..be9c24f 100644
--- a/board/freescale/imx93_evk/spl.c
+++ b/board/freescale/imx93_evk/spl.c
@@ -20,6 +20,7 @@
 #include <asm/mach-imx/mxc_i2c.h>
 #include <asm/arch-mx7ulp/gpio.h>
 #include <asm/mach-imx/syscounter.h>
+#include <asm/sections.h>
 #include <dm/uclass.h>
 #include <dm/device.h>
 #include <dm/uclass-internal.h>
diff --git a/board/freescale/ls1021aiot/ls1021aiot.c b/board/freescale/ls1021aiot/ls1021aiot.c
index 8605d06..d6f22bd 100644
--- a/board/freescale/ls1021aiot/ls1021aiot.c
+++ b/board/freescale/ls1021aiot/ls1021aiot.c
@@ -18,6 +18,7 @@
 
 #include <asm/arch/ls102xa_devdis.h>
 #include <asm/arch/ls102xa_soc.h>
+#include <asm/sections.h>
 #include <fsl_csu.h>
 #include <fsl_immap.h>
 #include <netdev.h>
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
index d5cb731..a618ce1 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -16,6 +16,7 @@
 #include <asm/arch/fsl_serdes.h>
 #include <asm/arch/ls102xa_soc.h>
 #include <asm/arch/ls102xa_devdis.h>
+#include <asm/sections.h>
 #include <hwconfig.h>
 #include <mmc.h>
 #include <fsl_csu.h>
diff --git a/board/freescale/ls1021atsn/ls1021atsn.c b/board/freescale/ls1021atsn/ls1021atsn.c
index d144f25..d0e4e79 100644
--- a/board/freescale/ls1021atsn/ls1021atsn.c
+++ b/board/freescale/ls1021atsn/ls1021atsn.c
@@ -12,6 +12,7 @@
 #include <asm/arch/ls102xa_soc.h>
 #include <asm/arch/fsl_serdes.h>
 #include <asm/global_data.h>
+#include <asm/sections.h>
 #include <linux/delay.h>
 #include "../common/sleep.h"
 #include <fsl_validate.h>
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
index 4f58343..27b9d79 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -18,6 +18,7 @@
 #include <asm/arch/fsl_serdes.h>
 #include <asm/arch/ls102xa_devdis.h>
 #include <asm/arch/ls102xa_soc.h>
+#include <asm/sections.h>
 #include <hwconfig.h>
 #include <mmc.h>
 #include <fsl_csu.h>
diff --git a/board/freescale/mx6sabreauto/mx6sabreauto.c b/board/freescale/mx6sabreauto/mx6sabreauto.c
index 039deb5..77e9200 100644
--- a/board/freescale/mx6sabreauto/mx6sabreauto.c
+++ b/board/freescale/mx6sabreauto/mx6sabreauto.c
@@ -15,6 +15,7 @@
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/mx6-pins.h>
+#include <asm/sections.h>
 #include <env.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 96a76b0..b558a59 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -14,6 +14,7 @@
 #include <asm/arch/mx6-pins.h>
 #include <asm/global_data.h>
 #include <asm/mach-imx/spi.h>
+#include <asm/sections.h>
 #include <env.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index 2c90a35..e9ac571 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -19,6 +19,7 @@
 #include <asm/mach-imx/iomux-v3.h>
 #include <asm/mach-imx/mxc_i2c.h>
 #include <asm/io.h>
+#include <asm/sections.h>
 #include <linux/sizes.h>
 #include <common.h>
 #include <fsl_esdhc_imx.h>
diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
index 570b501..534b16c 100644
--- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
+++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
@@ -18,6 +18,7 @@
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/mach-imx/mxc_i2c.h>
 #include <asm/io.h>
+#include <asm/sections.h>
 #include <common.h>
 #include <env.h>
 #include <fsl_esdhc_imx.h>