mmc: sdhci-sirf: add mmc host sdhci-pltfm based driver for SiRF SoCs

This patch adds the new driver for CSR SiRF SoCs:

SiRFprimaII: unicore ARM Cortex-A9
SiRFatlas6: unicore ARM Cortex-A9
SiRFmarco: dual core ARM Cortex-A9 SMP

Signed-off-by: Barry Song <[email protected]>
Signed-off-by: Bin Shi <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
diff --git a/MAINTAINERS b/MAINTAINERS
index e95b1e9..21b1678 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -805,6 +805,7 @@
 F:	arch/arm/mach-prima2/
 F:	drivers/dma/sirf-dma.c
 F:	drivers/i2c/busses/i2c-sirf.c
+F:	drivers/mmc/host/sdhci-sirf.c
 F:	drivers/pinctrl/pinctrl-sirf.c
 F:	drivers/spi/spi-sirf.c