[openwrt/openwrt] arm-trusted-firmware-mediatek: add MT7981 sdmmc images

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/3b14ace444c8597ea67738b16b9fa39ae3bc2de3

commit 3b14ace444c8597ea67738b16b9fa39ae3bc2de3
Author: Chukun Pan <amadeus at jmu.edu.cn>
AuthorDate: Mon Mar 10 23:15:38 2025 +0800

    arm-trusted-firmware-mediatek: add MT7981 sdmmc images
    
    Add bl2 images for mt7981 sdmmc ddr4 devices.
    
    Signed-off-by: Chukun Pan <amadeus at jmu.edu.cn>
    Link: https://github.com/openwrt/openwrt/pull/21000
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 package/boot/arm-trusted-firmware-mediatek/Makefile | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/package/boot/arm-trusted-firmware-mediatek/Makefile b/package/boot/arm-trusted-firmware-mediatek/Makefile
index 7bb4e7bd31..f90915ed67 100644
--- a/package/boot/arm-trusted-firmware-mediatek/Makefile
+++ b/package/boot/arm-trusted-firmware-mediatek/Makefile
@@ -166,6 +166,14 @@ define Trusted-Firmware-A/mt7981-emmc-ddr4
   DDR_TYPE:=ddr4
 endef
 
+define Trusted-Firmware-A/mt7981-sdmmc-ddr4
+  NAME:=MediaTek MT7981 (SD card, DDR4)
+  BOOT_DEVICE:=sdmmc
+  BUILD_SUBTARGET:=filogic
+  PLAT:=mt7981
+  DDR_TYPE:=ddr4
+endef
+
 define Trusted-Firmware-A/mt7981-spim-nand-ddr4
   NAME:=MediaTek MT7981 (SPI-NAND via SPIM, DDR4)
   BOOT_DEVICE:=spim-nand
@@ -643,6 +651,7 @@ TFA_TARGETS:= \
 	mt7981-spim-nand-ubi-ddr4 \
 	mt7981-ram-ddr4 \
 	mt7981-emmc-ddr4 \
+	mt7981-sdmmc-ddr4 \
 	mt7981-spim-nand-ddr4 \
 	mt7981-cudy-tr3000-v1 \
 	mt7986-ram-ddr3 \