[][SBC][MT7988][Add eMMC target device for secure boot]

[Description]
Add eMMC target device for secure boot
mediatek_mt7988a-dsa-10g-emmc-sb

[Release-log]
N/A

Change-Id: Ibe014e5b7754eb8db6fd41413f512a81d54a8804
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7247775
1 file changed