ARMv8/fsl-layerscape: Enable data coherency between cores in cluster

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/cpu/armv8/fsl-layerscape/Kconfig

 config ARCH_LS1012A
 	bool
+	select ARMV8_SET_SMPEN
 	select FSL_LSCH2
 	select SYS_FSL_DDR_BE
 	select SYS_FSL_MMDC
@@ -7,6 +8,7 @@ config ARCH_LS1012A
 
 config ARCH_LS1043A
 	bool
+	select ARMV8_SET_SMPEN
 	select FSL_LSCH2
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_BE
@@ -23,6 +25,7 @@ config ARCH_LS1043A
 
 config ARCH_LS1046A
 	bool
+	select ARMV8_SET_SMPEN
 	select FSL_LSCH2
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_BE
@@ -38,6 +41,7 @@ config ARCH_LS1046A
 
 config ARCH_LS2080A
 	bool
+	select ARMV8_SET_SMPEN
 	select FSL_LSCH3
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_LE