omap-common/omap4: relocate early UART clock setup

Moves the early UART clock setup setup_clocks_for_console() from
preloader_console_init() to s_init() of OMAP4.

This is done to prepare for OMAP3 integration.

This patch was posted seperatly to the mailinglist but I decidet - since it is
a prereqesit for this patch to add it. Former port to ML:
http://article.gmane.org/gmane.comp.boot-loaders.u-boot/104395

Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index 309b244..8584fdd 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -257,6 +257,7 @@
 	watchdog_init();
 	set_mux_conf_regs();
 #ifdef CONFIG_SPL_BUILD
+	setup_clocks_for_console();
 	preloader_console_init();
 	do_io_settings();
 #endif