ARM: mx3: dynamically register mxc-mmc devices

Compared to the static devices the dynamic have a DMA resource.
This should be save as it seems unused in the driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-mx3/devices-imx31.h b/arch/arm/mach-mx3/devices-imx31.h
index a88f243..875e26f 100644
--- a/arch/arm/mach-mx3/devices-imx31.h
+++ b/arch/arm/mach-mx3/devices-imx31.h
@@ -29,6 +29,10 @@
 #define imx31_add_imx_uart3(pdata)	imx31_add_imx_uart(3, pdata)
 #define imx31_add_imx_uart4(pdata)	imx31_add_imx_uart(4, pdata)
 
+extern const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst;
+#define imx31_add_mxc_mmc(id, pdata)	\
+	imx_add_mxc_mmc(&imx31_mxc_mmc_data[id], pdata)
+
 extern const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst;
 #define imx31_add_mxc_nand(pdata)	\
 	imx_add_mxc_nand(&imx31_mxc_nand_data, pdata)