ARM: OMAP: Introduce SoC specific early_init

Introduce them for each omap variant and just make them all call
omap2_init_common_infrastructure for now. Do this for each board-*.c
file except for board-generic and board-omap3beagle as they use
the same machine ID for multiple SoCs.

No functional changes.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index 04981f9..807c274 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -428,11 +428,6 @@
 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 };
 
-static void __init omap3_stalker_init_early(void)
-{
-	omap2_init_common_infrastructure();
-}
-
 static void __init omap3_stalker_init_irq(void)
 {
 	omap3_init_irq();
@@ -496,7 +491,7 @@
 	/* Maintainer: Jason Lam -lzg@ema-tech.com */
 	.boot_params		= 0x80000100,
 	.map_io			= omap3_map_io,
-	.init_early		= omap3_stalker_init_early,
+	.init_early		= omap35xx_init_early,
 	.init_irq		= omap3_stalker_init_irq,
 	.init_machine		= omap3_stalker_init,
 	.timer			= &omap3_secure_timer,