mb/google/dedede/var/galtic: Update PL1 min and max for Galith/Gallop

Update PL1 min and max values to 6 W for Galith/Gallop systems.

BUG=b:201010771
BRANCH=None
TEST=Build and verify on Galith/Gallop system

Signed-off-by: FrankChu <frank_chu@pegatron.corp-partner.google.com>
Change-Id: I0dfda3c2c830a2ce203668431f396859e782aa3c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57654
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>

src/mainboard/google/dedede/variants/galtic/overridetree.cb

@@ -82,8 +82,8 @@ chip soc/intel/jasperlake
 				## Power Limits Control
 				register "controls.power_limits" = "{
 					.pl1 = {
-						.min_power = 4500,
-						.max_power = 7000,
+						.min_power = 6000,
+						.max_power = 6000,
 						.time_window_min = 1 * MSECS_PER_SEC,
 						.time_window_max = 1 * MSECS_PER_SEC,
 						.granularity = 200,