Convert CONFIG_FSL_DEVICE_DISABLE to Kconfig

This converts the following to Kconfig:
   CONFIG_FSL_DEVICE_DISABLE

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 e75a895..369e68b 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_DEVICE_DISABLE
 	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
@@ -30,6 +31,9 @@
 menu "LS102xA architecture"
 	depends on ARCH_LS1021A
 
+config FSL_DEVICE_DISABLE
+	bool
+
 config LS1_DEEP_SLEEP
 	bool "Deep sleep"