mb/google/rex: Update DQS for Rex

Update the DQS for Rex as per the latest Rex schematics (08/25).

BUG=b:243734885
TEST=Built successfully. Confirmed on HW.

Change-Id: I2a458a3da725f953cbba8a194ac6f314f5467419
Signed-off-by: Tarun Tuli <taruntuli@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67041
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maulik Vaghela <maulikvaghela@google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/baseboard/rex/memory.c b/src/mainboard/google/rex/variants/baseboard/rex/memory.c
index 9eaef95..1541cec 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/memory.c
+++ b/src/mainboard/google/rex/variants/baseboard/rex/memory.c
@@ -50,14 +50,14 @@
 
 	/* DQS CPU<>DRAM map */
 	.lpx_dqs_map = {
-		.ddr0 = { .dqs0 = 1, .dqs1 = 0 },
-		.ddr1 = { .dqs0 = 0, .dqs1 = 1 },
-		.ddr2 = { .dqs0 = 0, .dqs1 = 1 },
-		.ddr3 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr0 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr1 = { .dqs0 = 1, .dqs1 = 0 },
+		.ddr2 = { .dqs0 = 1, .dqs1 = 0 },
+		.ddr3 = { .dqs0 = 1, .dqs1 = 0 },
 		.ddr4 = { .dqs0 = 1, .dqs1 = 0 },
 		.ddr5 = { .dqs0 = 0, .dqs1 = 1 },
 		.ddr6 = { .dqs0 = 0, .dqs1 = 1 },
-		.ddr7 = { .dqs0 = 0, .dqs1 = 1 },
+		.ddr7 = { .dqs0 = 1, .dqs1 = 0 },
 	},
 
 	.lp5x_config = {