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/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 33a8259..a8baaea 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -500,4 +500,7 @@
 	  Support ESM (Error Signal Monitor) on PMIC devices. ESM is used
 	  typically to reboot the board in error condition.
 
+config FSL_IFC
+	bool
+
 endmenu
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index df9eae1..a4073b9 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -134,6 +134,7 @@
 
 config NAND_FSL_IFC
 	bool "Support Freescale Integrated Flash Controller NAND driver"
+	select FSL_IFC
 	help
 	  Enable the Freescale Integrated Flash Controller NAND driver.