armv8: fsl-lsch3: Make CCN-504 related code conditional

LS2080 family has CCN-504 cache coherent interconnet. Other SoCs
in LSCH3 family may have differnt interconnect.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
[YS: revised commit message]
Reviewed-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 cdadd38..d72f8f8 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -61,6 +61,7 @@
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_LE
 	select SYS_FSL_DDR_VER_50
+	select SYS_FSL_HAS_CCN504
 	select SYS_FSL_HAS_DP_DDR
 	select SYS_FSL_HAS_SEC
 	select SYS_FSL_HAS_DDR4
@@ -269,6 +270,9 @@
 config SYS_FSL_HAS_CCI400
 	bool
 
+config SYS_FSL_HAS_CCN504
+	bool
+
 config SYS_FSL_HAS_DP_DDR
 	bool