Convert CONFIG_CHIP_SELECTS_PER_CTRL to Kconfig

This converts the following to Kconfig:
   CONFIG_CHIP_SELECTS_PER_CTRL

Cc: Alison Wang <alison.wang@nxp.com>
Cc: Pramod Kumar <pramod.kumar_1@nxp.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Cc: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig
index 6a948d7..ef1f456 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -5,7 +5,7 @@
 	select SYS_FSL_DDR_VER_50 if SYS_FSL_DDR
 	select SYS_FSL_ERRATUM_A008378
 	select SYS_FSL_ERRATUM_A008407
-	select SYS_FSL_ERRATUM_A008850
+	select SYS_FSL_ERRATUM_A008850 if SYS_FSL_DDR
 	select SYS_FSL_ERRATUM_A008997 if USB
 	select SYS_FSL_ERRATUM_A009007 if USB
 	select SYS_FSL_ERRATUM_A009008 if USB