common: Drop asm/global_data.h from common header

Move this out of the common header and include it only where needed.  In
a number of cases this requires adding "struct udevice;" to avoid adding
another large header or in other cases replacing / adding missing header
files that had been pulled in, very indirectly.   Finally, we have a few
cases where we did not need to include <asm/global_data.h> at all, so
remove that include.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index df507e2..c8b617a 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -15,6 +15,7 @@
 #include <cli_hush.h>
 #include <net.h>
 #include <netdev.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c
index a984165..ecc8c78 100644
--- a/board/keymile/km83xx/km83xx.c
+++ b/board/keymile/km83xx/km83xx.c
@@ -22,6 +22,7 @@
 #include <mpc83xx.h>
 #include <i2c.h>
 #include <miiphy.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/mmu.h>
 #include <asm/processor.h>
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index 60187bd..e9af090 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -20,6 +20,7 @@
 #include <netdev.h>
 #include <miiphy.h>
 #include <spi.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
diff --git a/board/keymile/kmp204x/ddr.c b/board/keymile/kmp204x/ddr.c
index d9c9ddf..77a00c5 100644
--- a/board/keymile/kmp204x/ddr.c
+++ b/board/keymile/kmp204x/ddr.c
@@ -11,6 +11,7 @@
 #include <hwconfig.h>
 #include <init.h>
 #include <log.h>
+#include <asm/global_data.h>
 #include <asm/mmu.h>
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>