soc/amd/mendocino: Add UPDs for DPTC current limits

Add UPD vrm_current_limit_mA, vrm_maximum_current_limit_mA, vrm_soc_current_limit_mA for DPTC.
Make sure UPD parameterare are set to be aligned.

BUG=b:245942343
BRANCH=none
TEST=confirm the UPD parameters has been set correspondingly with the FSP UPD.

Change-Id: Iacf0ce0d51d4c8698ec1ae7e810fd00574deeadb
Signed-off-by: Patrick Huang <patrick.huang@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73875
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/vendorcode/amd/fsp/mendocino/FspmUpd.h b/src/vendorcode/amd/fsp/mendocino/FspmUpd.h
index 9f68101..bed13af 100644
--- a/src/vendorcode/amd/fsp/mendocino/FspmUpd.h
+++ b/src/vendorcode/amd/fsp/mendocino/FspmUpd.h
@@ -97,7 +97,10 @@
 	/* usb_phy_ptr is actually struct usb_phy_config *, but that won't work for 64bit coreboot */
 	/** Offset 0x04D8**/	uint32_t                    usb_phy_ptr;
 	/** Offset 0x04DC**/	uint8_t                     dxio_tx_vboost_enable;
-	/** Offset 0x04DD**/	uint8_t                     UnusedUpdSpace2[291];
+	/** Offset 0x04DD**/	uint32_t                    vrm_current_limit_mA;
+	/** Offset 0x04E1**/	uint32_t                    vrm_maximum_current_limit_mA;
+	/** Offset 0x04E5**/	uint32_t                    vrm_soc_current_limit_mA;
+	/** Offset 0x04E9**/	uint8_t                     UnusedUpdSpace2[279];
 	/** Offset 0x0600**/	uint16_t                    UpdTerminator;
 } FSP_M_CONFIG;