armv8: ls2080a: Move CONFIG_SYS_MC_RSV_MEM_ALIGN to Kconfig

Use Kconfig option instead of config macro in header file.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 1a8a345..a99b1c6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -315,3 +315,11 @@
 
 config SYS_FSL_ERRATUM_A009929
 	bool
+
+config SYS_MC_RSV_MEM_ALIGN
+	hex "Management Complex reserved memory alignment"
+	depends on RESV_RAM
+	default 0x20000000
+	help
+	  Reserved memory needs to be aligned for MC to use. Default value
+	  is 512MB.
diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h
index b702b4b..816d7f5 100644
--- a/include/configs/ls2080a_common.h
+++ b/include/configs/ls2080a_common.h
@@ -158,7 +158,6 @@
  */
 #ifdef CONFIG_FSL_MC_ENET
 #define CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE		(512UL * 1024 * 1024)
-#define CONFIG_SYS_MC_RSV_MEM_ALIGN			(512UL * 1024 * 1024)
 #endif
 
 /* Command line configuration */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 8aa013a..c4e5eb4 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -4975,7 +4975,6 @@
 CONFIG_SYS_MCLINK_MAX
 CONFIG_SYS_MCMEM0_VAL
 CONFIG_SYS_MCMEM1_VAL
-CONFIG_SYS_MC_RSV_MEM_ALIGN
 CONFIG_SYS_MDC1_PIN
 CONFIG_SYS_MDCNFG_VAL
 CONFIG_SYS_MDC_PIN