targets/t480_me_blobs.mk: remove leftover artifact of @notgivenby from cleaner merged/adapted work from @gaspar-ilom

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

boards/t480-hotp/t480-hotp.config

@@ -8,7 +8,7 @@
 # - Includes Nitrokey/Librem Key HOTP Security dongle remote attestation (in addition to TOTP remote attestation through Qr Code)
 
 export CONFIG_COREBOOT=y
-export CONFIG_COREBOOT_VERSION=t480
+export CONFIG_COREBOOT_VERSION=2412
 export CONFIG_LINUX_VERSION=6.1.8
 
 CONFIG_COREBOOT_CONFIG=config/coreboot-t480.config

boards/t480/t480.config

@@ -8,7 +8,7 @@
 # - DOES NOT INCLUDE Nitrokey/Librem Key HOTP Security dongle remote attestation (in addition to TOTP remote attestation through Qr Code)
 
 export CONFIG_COREBOOT=y
-export CONFIG_COREBOOT_VERSION=t480
+export CONFIG_COREBOOT_VERSION=2412
 export CONFIG_LINUX_VERSION=6.1.8
 
 CONFIG_COREBOOT_CONFIG=config/coreboot-t480.config

modules/coreboot

@@ -98,11 +98,16 @@ coreboot-dasharo_commit_hash := 94e5f5d5b808cf8d8fd5c70d4ef6a08a054f8986
 $(eval $(call coreboot_module,dasharo,24.02.01))
 #coreboot-dasharo_patch_version := unreleased
 
-# T480 is based on coreboot ~24.12 release (TODO: verify)
-coreboot-t480_repo := https://review.coreboot.org/coreboot.git
-coreboot-t480_commit_hash := 2f1e4e5e8515dd350cc9d68b48d32a5b6b02ae6a
+# T480 is based on coreboot ~24.12 release
+#  coreboot 24.12 doesn't include t480 support which is still under review at https://review.coreboot.org/c/coreboot/+/83274
+#   TODO: track upstream WiP and switch to later upstream release containing patchset without relaying on libreboot downstream maintained patchset
+# Therefore, patches/coreboot-2412 includes libreboot patches applied to 24.12 release
+#  patches/coreboot-2412 also includes PR0 patchset, minus xeon support which don't apply to 24.12 as per https://review.coreboot.org/c/coreboot/+/85278
+#   TODO: @miczyg1 rebase of patchset so that doenstream don't have to maintain, adapt work
+coreboot-2412_repo := https://review.coreboot.org/coreboot.git
+coreboot-2412_commit_hash := 2f1e4e5e8515dd350cc9d68b48d32a5b6b02ae6a
 #Don't reuse any coreboot buildstack for now since nothing else is based on 24.12
-$(eval $(call coreboot_module,t480,))
+$(eval $(call coreboot_module,2412,))
 
 # Check that the board configured the coreboot version correctly
 ifeq "$(CONFIG_COREBOOT_VERSION)" ""

targets/t480_me_blobs.mk

@@ -1,15 +0,0 @@
-# TODO describe the process for t480
-#Targets for downloading t480 ME blob, cleaning and deguarding.
-
-# t480-*-maximized boards require you to initially call
-#  - blobs/t480/download-clean-deguard-me.sh
-#     To download donor's Dells-Inspiron.exe, extract ME binary with biosutilities from libreboot, clean ME,
-#      and deguard it using Mate Kukri deguard tool.
-
-# Make the Coreboot build depend on the following 3rd party blobs:
-$(build)/coreboot-$(CONFIG_COREBOOT_VERSION)/$(BOARD)/.build: \
-    $(pwd)/blobs/t480/me.bin
-
-$(pwd)/blobs/t480/me.bin:
-	COREBOOT_DIR="$(build)/$(coreboot_base_dir)" \
-		$(pwd)/blobs/t480/download-clean-deguard-me.sh $(pwd)/blobs/t480