Convert CONFIG_TPL_NAND_INIT to Kconfig

This converts the following to Kconfig:
   CONFIG_TPL_NAND_INIT

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index d75f371..4129a33 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -23,6 +23,9 @@
 	  This option, if enabled, provides more flexible and linux-like
 	  NAND initialization process, in SPL.
 
+config TPL_NAND_INIT
+	bool
+
 config SYS_NAND_DRIVER_ECC_LAYOUT
 	bool "Omit standard ECC layouts to save space"
 	help
@@ -165,6 +168,7 @@
 config NAND_FSL_IFC
 	bool "Support Freescale Integrated Flash Controller NAND driver"
 	select TPL_SYS_NAND_SELF_INIT if TPL_NAND_SUPPORT
+	select TPL_NAND_INIT if TPL && !TPL_FRAMEWORK
 	select SPL_SYS_NAND_SELF_INIT
 	select SYS_NAND_SELF_INIT
 	select FSL_IFC