armv8: Remove dependency of SERDES for LSCH2 and LSCH3

Remove dependency of SYS_HAS_SERDES for Layerscape Chasis 2 and
Layerscape Chasis 3.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
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 cefbdfe..7b59dc9 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -3,6 +3,8 @@
 	select ARMV8_SET_SMPEN
 	select ARM_ERRATA_855873
 	select FSL_LSCH2
+	select SYS_FSL_SRDS_1
+	select SYS_HAS_SERDES
 	select SYS_FSL_DDR_BE
 	select SYS_FSL_MMDC
 	select SYS_FSL_ERRATUM_A010315
@@ -19,6 +21,8 @@
 	select ARMV8_SET_SMPEN
 	select ARM_ERRATA_855873
 	select FSL_LSCH2
+	select SYS_FSL_SRDS_1
+	select SYS_HAS_SERDES
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_BE
 	select SYS_FSL_DDR_VER_50
@@ -45,6 +49,8 @@
 	bool
 	select ARMV8_SET_SMPEN
 	select FSL_LSCH2
+	select SYS_FSL_SRDS_1
+	select SYS_HAS_SERDES
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_BE
 	select SYS_FSL_DDR_VER_50
@@ -72,6 +78,8 @@
 	select ARMV8_SET_SMPEN
 	select ARM_ERRATA_855873
 	select FSL_LSCH3
+	select SYS_FSL_SRDS_1
+	select SYS_HAS_SERDES
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_LE
 	select SYS_FSL_DDR_VER_50
@@ -105,6 +113,8 @@
 	select ARM_ERRATA_829520
 	select ARM_ERRATA_833471
 	select FSL_LSCH3
+	select SYS_FSL_SRDS_1
+	select SYS_HAS_SERDES
 	select SYS_FSL_DDR
 	select SYS_FSL_DDR_LE
 	select SYS_FSL_DDR_VER_50
@@ -142,13 +152,9 @@
 	select SYS_FSL_HAS_SEC
 	select SYS_FSL_SEC_COMPAT_5
 	select SYS_FSL_SEC_BE
-	select SYS_FSL_SRDS_1
-	select SYS_HAS_SERDES
 
 config FSL_LSCH3
 	bool
-	select SYS_FSL_SRDS_1
-	select SYS_HAS_SERDES
 
 config FSL_MC_ENET
 	bool "Management Complex network"