freescale/layerscape: Rename the config CONFIG_SECURE_BOOT name

Rename CONFIG_SECURE_BOOT to CONFIG_NXP_ESBC to avoid conflict
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/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 046dcf5..f1578b1 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -376,8 +376,8 @@
 	 Enable the EMC2305 fan controller for configuration of fan
 	 speed.
 
-config SECURE_BOOT
-	bool "Secure Boot"
+config NXP_ESBC
+	bool "NXP_ESBC"
 	help
 		Enable Freescale Secure Boot feature
 
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
index 8eeeef1..3f6a5f6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
@@ -34,7 +34,7 @@
 
 void spl_board_init(void)
 {
-#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_LSCH2)
+#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
 	/*
 	 * In case of Secure Boot, the IBR configures the SMMU
 	 * to allow only Secure transactions.