omap3: use device specific naming for mem_init

Use device specific naming for functions so as to not overlap
with common function names.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-omap2/omap3/board.c b/arch/arm/mach-omap2/omap3/board.c
index 8b70251..c76a95d 100644
--- a/arch/arm/mach-omap2/omap3/board.c
+++ b/arch/arm/mach-omap2/omap3/board.c
@@ -216,7 +216,7 @@
 void board_init_f(ulong dummy)
 {
 	early_system_init();
-	mem_init();
+	omap3_mem_init();
 	/*
 	* Save the boot parameters passed from romcode.
 	* We cannot delay the saving further than this,