turn on new MMC driver

Author: weiszg

arch/arm/configs/bcmrpi_defconfig

@@ -896,6 +896,9 @@ CONFIG_USB_ISIGHTFW=m
 CONFIG_USB_YUREX=m
 CONFIG_MMC=y
 CONFIG_MMC_BLOCK_MINORS=32
+CONFIG_MMC_BCM2835=y
+CONFIG_MMC_BCM2835_DMA=y
+CONFIG_MMC_BCM2835_PIO_DMA_BARRIER=2
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_PLTFM=y
 CONFIG_MMC_SDHCI_BCM2708=y
@@ -945,7 +948,7 @@ CONFIG_RTC_DRV_DS3234=m
 CONFIG_RTC_DRV_PCF2123=m
 CONFIG_RTC_DRV_RX4581=m
 CONFIG_DMADEVICES=y
-CONFIG_DMA_BCM2708=m
+CONFIG_DMA_BCM2708=y
 CONFIG_UIO=m
 CONFIG_UIO_PDRV_GENIRQ=m
 CONFIG_STAGING=y