omap: Use spl_soc_init instead of spl_board_init

Both spl_board_init and spl_soc_init are available as ways to run
specific code in the SPL's board_init_r. Use the former for init
code that is specific to the SoC and leave spl_board_init available
for boards to use.

Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-omap2/boot-common.c b/arch/arm/mach-omap2/boot-common.c
index e1ea351..21b2040 100644
--- a/arch/arm/mach-omap2/boot-common.c
+++ b/arch/arm/mach-omap2/boot-common.c
@@ -269,7 +269,7 @@
 		debug("%s: IPU2 failed to start (%d)\n", __func__, ret);
 }
 
-void spl_board_init(void)
+void spl_soc_init(void)
 {
 	/* Prepare console output */
 	preloader_console_init();