OMAP3 Touchbook: fix board initialization

init_early hook runs too early for omap3_mux_init(), so the board
won't boot. Moved to init_machine, then it works just fine.
Signed-off-by: Radek Pilar <mrkva@mrkva.eu>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-omap3touchbook.c

@@ -417,7 +417,6 @@ static struct omap_board_mux board_mux[] __initdata = {
 
 static void __init omap3_touchbook_init_early(void)
 {
-	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 	omap_board_config = omap3_touchbook_config;
 	omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
 	omap2_init_common_infrastructure();
@@ -514,6 +513,7 @@ static struct omap_musb_board_data musb_board_data = {
 
 static void __init omap3_touchbook_init(void)
 {
+	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 	pm_power_off = omap3_touchbook_poweroff;
 
 	omap3_touchbook_i2c_init();