freescale/powerpc: Rename the config CONFIG_SECURE_BOOT name

Rename the CONFIG_SECURE_BOOT name to CONFIG_NXP_ESBC to avoid
conflicts with UEFI secure boot.

Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index 1152bca..344e19d 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -29,7 +29,7 @@
 #endif
 
 #ifdef CONFIG_SPIFLASH
-#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_NXP_ESBC
 #define CONFIG_RAMBOOT_SPIFLASH
 #define CONFIG_RESET_VECTOR_ADDRESS	0x110bfffc
 #else
@@ -50,7 +50,7 @@
 #endif
 
 #ifdef CONFIG_NAND
-#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_NXP_ESBC
 #define CONFIG_SPL_INIT_MINIMAL
 #define CONFIG_SPL_FLUSH_IMAGE
 #define CONFIG_SPL_TARGET		"u-boot-with-spl.bin"
diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h
index 53ee148..7cc3db9 100644
--- a/include/configs/T104xRDB.h
+++ b/include/configs/T104xRDB.h
@@ -13,7 +13,7 @@
 
 #ifdef CONFIG_RAMBOOT_PBL
 
-#ifndef CONFIG_SECURE_BOOT
+#ifndef CONFIG_NXP_ESBC
 #define CONFIG_SYS_FSL_PBL_PBI $(SRCTREE)/board/freescale/t104xrdb/t104x_pbi.cfg
 #else
 #define CONFIG_SYS_FSL_PBL_PBI \
@@ -32,7 +32,7 @@
 #define BOOT_PAGE_OFFSET		0x27000
 
 #ifdef CONFIG_NAND
-#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_NXP_ESBC
 #define CONFIG_U_BOOT_HDR_SIZE		(16 << 10)
 /*
  * HDR would be appended at end of image and copied to DDR along
@@ -163,7 +163,7 @@
 #define CONFIG_ENV_SIZE			0x2000
 #define CONFIG_ENV_OFFSET		(512 * 0x800)
 #elif defined(CONFIG_NAND)
-#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_NXP_ESBC
 #define CONFIG_RAMBOOT_NAND
 #define CONFIG_BOOTSCRIPT_COPY_RAM
 #endif
diff --git a/include/configs/corenet_ds.h b/include/configs/corenet_ds.h
index 60e09c1..df602f6 100644
--- a/include/configs/corenet_ds.h
+++ b/include/configs/corenet_ds.h
@@ -12,7 +12,7 @@
 #include "../board/freescale/common/ics307_clk.h"
 
 #ifdef CONFIG_RAMBOOT_PBL
-#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_NXP_ESBC
 #define CONFIG_RAMBOOT_TEXT_BASE	CONFIG_SYS_TEXT_BASE
 #define CONFIG_RESET_VECTOR_ADDRESS	0xfffffffc
 #ifdef CONFIG_NAND