fsl_ddr: Adds 16 bit DDR Data width option

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h
index b5b1efe..99dddb4 100644
--- a/arch/powerpc/include/asm/fsl_ddr_sdram.h
+++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h
@@ -84,6 +84,7 @@
 #define SDRAM_CFG_SDRAM_TYPE_SHIFT	24
 #define SDRAM_CFG_DYN_PWR		0x00200000
 #define SDRAM_CFG_32_BE			0x00080000
+#define SDRAM_CFG_16_BE			0x00100000
 #define SDRAM_CFG_8_BE			0x00040000
 #define SDRAM_CFG_NCAP			0x00020000
 #define SDRAM_CFG_2T_EN			0x00008000