ARM: OMAP3: mmc-twl4030 init passes device nodes back, v2

When setting up HSMMC devices, pass the device nodes back so
board code can linking them to their power supply regulators.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/include/mach/mmc.h

@@ -37,6 +37,8 @@
 #define OMAP_MMC_MAX_SLOTS	2
 
 struct omap_mmc_platform_data {
+	/* back-link to device */
+	struct device *dev;
 
 	/* number of slots per controller */
 	unsigned nr_slots:2;