mb/google/brya/var/xol: Update psys_pmax value to 122W

Update psys_pmax value to 122 from 145. This value is from internal
power team.

BUG=None
BRANCH=firmware-brya-14505.B
TEST=FW_NAME=xol emerge-brya coreboot chromeos-bootimage

Change-Id: I8bc58343d5736e2457db006972dc229e16d3fe59
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81104
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/brya/variants/xol/overridetree.cb b/src/mainboard/google/brya/variants/xol/overridetree.cb
index 18e8ace..165311d 100644
--- a/src/mainboard/google/brya/variants/xol/overridetree.cb
+++ b/src/mainboard/google/brya/variants/xol/overridetree.cb
@@ -27,7 +27,7 @@
 
 	register "tcc_offset" = "6"	# TCC of 94
 
-	register "platform_pmax" = "145"
+	register "platform_pmax" = "122"
 
 	register "usb2_ports[0]" = "{
 		.enable = 1,