ARM: at91sam9m10g45ek: enable mci0 support

Also we enable the mmc command in configuration file.

As both CONFIG_CMD_MMC and CONFIG_CMD_USB use the CONFIG_DOS_PARTITION,
so remove the redundant CONFIG_DOS_PARTITION definition.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
index b7e2efd..5788116 100644
--- a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
+++ b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
@@ -16,6 +16,7 @@
 #include <asm/arch/clk.h>
 #include <lcd.h>
 #include <atmel_lcdc.h>
+#include <atmel_mci.h>
 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
 #include <net.h>
 #endif
@@ -217,6 +218,15 @@
 #endif /* CONFIG_LCD_INFO */
 #endif
 
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bis)
+{
+	at91_mci_hw_init();
+
+	return atmel_mci_init((void *)ATMEL_BASE_MCI0);
+}
+#endif
+
 int board_early_init_f(void)
 {
 	at91_seriald_hw_init();