mtd: remove bcmring NAND driver

This driver is being removed as part of the cleanup of the bcmring
SoC from mainline as it is no longer maintained.

Signed-off-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

MAINTAINERS

@@ -665,15 +665,6 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	arch/arm/mach-bcmring
 
-ARM/BCMRING MTD NAND DRIVER
-M:	Jiandong Zheng <jdzheng@broadcom.com>
-M:	Scott Branden <sbranden@broadcom.com>
-L:	linux-mtd@lists.infradead.org
-S:	Maintained
-F:	drivers/mtd/nand/bcm_umi_nand.c
-F:	drivers/mtd/nand/bcm_umi_bch.c
-F:	drivers/mtd/nand/nand_bcm_umi.h
-
 ARM/CALXEDA HIGHBANK ARCHITECTURE
 M:	Rob Herring <rob.herring@calxeda.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

drivers/mtd/nand/Kconfig

@@ -258,22 +258,6 @@ config MTD_NAND_S3C2410_CLKSTOP
 	  when the is NAND chip selected or released, but will save
 	  approximately 5mA of power when there is nothing happening.
 
-config MTD_NAND_BCM_UMI
-	tristate "NAND Flash support for BCM Reference Boards"
-	depends on ARCH_BCMRING
-	help
-	  This enables the NAND flash controller on the BCM UMI block.
-
-	  No board specific support is done by this driver, each board
-	  must advertise a platform_device for the driver to attach.
-
-config MTD_NAND_BCM_UMI_HWCS
-	bool "BCM UMI NAND Hardware CS"
-	depends on MTD_NAND_BCM_UMI
-	help
-	  Enable the use of the BCM UMI block's internal CS using NAND.
-	  This should only be used if you know the external NAND CS can toggle.
-
 config MTD_NAND_DISKONCHIP
 	tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation) (EXPERIMENTAL)"
 	depends on EXPERIMENTAL

drivers/mtd/nand/Makefile

@@ -48,7 +48,6 @@ obj-$(CONFIG_MTD_NAND_SOCRATES)		+= socrates_nand.o
 obj-$(CONFIG_MTD_NAND_TXX9NDFMC)	+= txx9ndfmc.o
 obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
 obj-$(CONFIG_MTD_NAND_NOMADIK)		+= nomadik_nand.o
-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