ARM: omap3_beagle: Power on MMC when setting up PMIC

The PMIC enables power to the MMC card by default, but depending
on the state it was left when restarted, it's possible the MMC
may be powered down.

This patch patch explicitly tells the twl4030 to power the MMC.

Based on commits [1][2].

[1] 64fd2d2614
[2] 27b6534491

Signed-off-by: Romain Naour <romain.naour@gmail.com>

board/ti/beagle/beagle.c

@@ -447,6 +447,8 @@ int misc_init_r(void)
 		env_set(expansion_config.env_var, expansion_config.env_setting);
 
 	twl4030_power_init();
+	twl4030_power_mmc_init(0);
+
 	switch (get_board_revision()) {
 	case REVISION_XM_AB:
 		twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
@@ -499,10 +501,3 @@ void set_muxconf_regs(void)
 {
 	MUX_BEAGLE();
 }
-
-#if defined(CONFIG_MMC)
-void board_mmc_power_init(void)
-{
-	twl4030_power_mmc_init(0);
-}
-#endif