mtd: add GPMI-NAND driver in the config and Makefile

add the GPMI-NAND driver in the relevant Kconfig and Makefile in the MTD.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Tested-by: Koen Beel <koen.beel@barco.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

drivers/mtd/nand/Kconfig

@@ -417,6 +417,19 @@ config MTD_NAND_NANDSIM
 	  The simulator may simulate various NAND flash chips for the
 	  MTD nand layer.
 
+config MTD_NAND_GPMI_NAND
+        bool "GPMI NAND Flash Controller driver"
+        depends on MTD_NAND && (SOC_IMX23 || SOC_IMX28)
+	select MTD_PARTITIONS
+	select MTD_CMDLINE_PARTS
+        help
+	 Enables NAND Flash support for IMX23 or IMX28.
+	 The GPMI controller is very powerful, with the help of BCH
+	 module, it can do the hardware ECC. The GPMI supports several
+	 NAND flashs at the same time. The GPMI may conflicts with other
+	 block, such as SD card. So pay attention to it when you enable
+	 the GPMI.
+
 config MTD_NAND_PLATFORM
 	tristate "Support for generic platform NAND driver"
 	help

drivers/mtd/nand/Makefile

@@ -48,5 +48,6 @@ obj-$(CONFIG_MTD_NAND_BCM_UMI)		+= bcm_umi_nand.o nand_bcm_umi.o
 obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mpc5121_nfc.o
 obj-$(CONFIG_MTD_NAND_RICOH)		+= r852.o
 obj-$(CONFIG_MTD_NAND_JZ4740)		+= jz4740_nand.o
+obj-$(CONFIG_MTD_NAND_GPMI_NAND)	+= gpmi-nand/
 
 nand-objs := nand_base.o nand_bbt.o

drivers/mtd/nand/gpmi-nand/Makefile

+obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi_nand.o
+gpmi_nand-objs += gpmi-nand.o
+gpmi_nand-objs += gpmi-lib.o