src/device/dram/ddr2: Fix supported burst lengths

Supported burst lengths are described at byte 16

Change-Id: I502710bdac7eec715b29febefd64be88e5a1b80a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/25098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/device/dram/ddr2.c b/src/device/dram/ddr2.c
index eefb569..921679c 100644
--- a/src/device/dram/ddr2.c
+++ b/src/device/dram/ddr2.c
@@ -572,11 +572,11 @@
 
 	/* SDRAM Supported Burst length */
 	printram("  Burst length       :");
-	if (spd[16] & 0x06) {
+	if (spd[16] & 0x08) {
 		dimm->flags.bl8 = 1;
 		printram(" BL8");
 	}
-	if (spd[22] & 0x04) {
+	if (spd[16] & 0x04) {
 		dimm->flags.bl4 = 1;
 		printram(" BL4");
 	}