Enable POST memory test for corenet_ds

Signed-off-by: NYork Sun <yorksun@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

include/configs/corenet_ds.h

@@ -86,6 +86,7 @@
 #define CONFIG_SYS_NUM_ADDR_MAP		64	/* number of TLB1 entries */
 #endif
 
+#define CONFIG_POST CONFIG_SYS_POST_MEMORY	/* test POST memory test */
 #define CONFIG_SYS_MEMTEST_START	0x00200000	/* memtest works on */
 #define CONFIG_SYS_MEMTEST_END		0x00400000
 #define CONFIG_SYS_ALT_MEMTEST