soc/intel/meteorlake: Add PsysPL2 configuration

psys_pl2_watts is configured in SoC node of devicetree.
Value represents Watts.

BUG=b:320410462
BRANCH=firmware-rex-15709.B
TEST=emerge-ovis coreboot

Change-Id: I9c4d62b93fc751db9e0ea04e475acb8861a844f8
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82553
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h
index 1b08ccd..0c76b7c 100644
--- a/src/soc/intel/meteorlake/chip.h
+++ b/src/soc/intel/meteorlake/chip.h
@@ -515,6 +515,9 @@
 	/* Platform Power Pmax in Watts. Zero means automatic. */
 	uint16_t psys_pmax_watts;
 
+	/* Platform Power Limit 2 in Watts. */
+	uint16_t psys_pl2_watts;
+
 	/* Enable or Disable Acoustic Noise Mitigation feature */
 	uint8_t enable_acoustic_noise_mitigation;
 	/* Disable Fast Slew Rate for Deep Package C States for VR domains */