dma: Drop JZ4740 driver

The newer and better JZ4780 driver is now used to provide DMA
functionality on the JZ4740.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>

drivers/dma/Kconfig

@@ -137,12 +137,6 @@ config DMA_BCM2835
 	select DMA_ENGINE
 	select DMA_VIRTUAL_CHANNELS
 
-config DMA_JZ4740
-	tristate "JZ4740 DMA support"
-	depends on MACH_JZ4740 || COMPILE_TEST
-	select DMA_ENGINE
-	select DMA_VIRTUAL_CHANNELS
-
 config DMA_JZ4780
 	tristate "JZ4780 DMA support"
 	depends on MIPS || COMPILE_TEST

drivers/dma/Makefile

@@ -22,7 +22,6 @@ obj-$(CONFIG_AXI_DMAC) += dma-axi-dmac.o
 obj-$(CONFIG_BCM_SBA_RAID) += bcm-sba-raid.o
 obj-$(CONFIG_COH901318) += coh901318.o coh901318_lli.o
 obj-$(CONFIG_DMA_BCM2835) += bcm2835-dma.o
-obj-$(CONFIG_DMA_JZ4740) += dma-jz4740.o
 obj-$(CONFIG_DMA_JZ4780) += dma-jz4780.o
 obj-$(CONFIG_DMA_SA11X0) += sa11x0-dma.o
 obj-$(CONFIG_DMA_SUN4I) += sun4i-dma.o