Convert CONFIG_APBH_DMA et al to Kconfig

This converts the following to Kconfig:
   CONFIG_APBH_DMA
   CONFIG_APBH_DMA_BURST
   CONFIG_APBH_DMA_BURST8

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Stefan Agner <stefan.agner@toradex.com>
[trini: Add in MMC as well]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index a1b21fd..d5e2816 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -209,6 +209,10 @@
 
 config MMC_MXS
 	bool "Freescale MXS Multimedia Card Interface support"
+	depends on MX23 || MX28 || MX6 || MX7
+	select APBH_DMA
+	select APBH_DMA_BURST if ARCH_MX6 || ARCH_MX7
+	select APBH_DMA_BURST8 if ARCH_MX6 || ARCH_MX7
 	help
 	  This selects the Freescale SSP MMC controller found on MXS based
 	  platforms like mx23/28.