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/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index cac9280..c2b2ef2 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -38,7 +38,7 @@
 #ifdef CONFIG_FSL_CAAM
 #include <fsl_sec.h>
 #endif
-#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET)
+#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_CORENET)
 #include <asm/fsl_pamu.h>
 #include <fsl_secboot_err.h>
 #endif
@@ -440,7 +440,7 @@
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 #endif
-#if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_NXP_ESBC) && !defined(CONFIG_SYS_RAMBOOT)
 	struct law_entry law;
 #endif
 #ifdef CONFIG_ARCH_MPC8548
@@ -460,7 +460,7 @@
 	disable_tlb(14);
 	disable_tlb(15);
 
-#if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_NXP_ESBC) && !defined(CONFIG_SYS_RAMBOOT)
 	/* Disable the LAW created for NOR flash by the PBI commands */
 	law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
 	if (law.index != -1)
@@ -963,7 +963,7 @@
 	fman_enet_init();
 #endif
 
-#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_CORENET)
+#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_CORENET)
 	if (pamu_init() < 0)
 		fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
 #endif