omap: use common initialization for PMIC i2c bus

Introduce omap_pmic_init that registers i2c bus and PMIC device on that
bus and add omap2/3/4 wrappers for common cases.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c
index 2cf86c3..a831e85 100644
--- a/arch/arm/mach-omap2/board-igep0030.c
+++ b/arch/arm/mach-omap2/board-igep0030.c
@@ -35,6 +35,7 @@
 #include "mux.h"
 #include "hsmmc.h"
 #include "sdram-numonyx-m65kxxxxam.h"
+#include "common-board-devices.h"
 
 #define IGEP3_GPIO_LED0_GREEN	54
 #define IGEP3_GPIO_LED0_RED	53
@@ -349,19 +350,9 @@
 	.vio		= &igep3_vio,
 };
 
-static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = {
-	{
-		I2C_BOARD_INFO("twl4030", 0x48),
-		.flags		= I2C_CLIENT_WAKE,
-		.irq		= INT_34XX_SYS_NIRQ,
-		.platform_data	= &igep3_twl4030_pdata,
-	},
-};
-
 static int __init igep3_i2c_init(void)
 {
-	omap_register_i2c_bus(1, 2600, igep3_i2c_boardinfo,
-			ARRAY_SIZE(igep3_i2c_boardinfo));
+	omap3_pmic_init("twl4030", &igep3_twl4030_pdata);
 
 	return 0;
 }