sbc8548: relocate fixed ddr init code to ddr.c file

Nothing to see here, just a relocation of the fixed ddr init
sequence to live in the actual ddr.c file itself.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/sbc8548.h b/include/configs/sbc8548.h
index 44c7526..09245b5 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -148,6 +148,7 @@
  */
 #ifndef CONFIG_SPD_EEPROM
 	#define CONFIG_SYS_SDRAM_SIZE	256		/* DDR is 256MB */
+	#define CONFIG_SYS_DDR_CONTROL	0xc300c000
 #endif
 
 #undef CONFIG_CLOCKS_IN_MHZ