arm/km: fix wrong comment in SDRAM config for mgcoge3un

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>

board/keymile/km_arm/kwbimage-memphis.cfg

@@ -149,7 +149,7 @@ DATA 0xFFD01424 0x0000F17F	#  DDR Controller Control High
 DATA 0xFFD01428 0x00084520	# DDR2 SDRAM Timing Low
 # bit3-0  : 0000, required
 # bit7-4  : 0010, M_ODT assertion 2 cycles after read
-# bit11-8 : 1001, M_ODT de-assertion 5 cycles after read
+# bit11-8 : 0101, M_ODT de-assertion 5 cycles after read
 # bit15-12: 0100, internal ODT assertion 4 cycles after read
 # bit19-16: 1000, internal ODT de-assertion 8 cycles after read
 # bit31-20: 0   , required