Convert CONFIG_FSL_IFC to Kconfig

This converts the following to Kconfig:
   CONFIG_FSL_IFC

This is done via select statements to match previous logic.

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 f919d02..6a948d7 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -1,5 +1,6 @@
 config ARCH_LS1021A
 	bool
+	select FSL_IFC if !QSPI_BOOT && !SD_BOOT_QSPI
 	select SYS_FSL_DDR_BE if SYS_FSL_DDR
 	select SYS_FSL_DDR_VER_50 if SYS_FSL_DDR
 	select SYS_FSL_ERRATUM_A008378