ramips: make package kmod-sdhci-mt7620 conflict with kmod-mmc-mtk
These two packages are SDXC drivers for Mediatek mt762x series SoCs.
One is upstream implementation, and the other is downstream driver.
Installing them together will result in conflicts.
Signed-off-by: Shiji Yang <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/17446
Signed-off-by: Hauke Mehrtens <[email protected]>
(cherry picked from commit 0764e3008228bbdafb5e4a9837fe9efec7e138a0)
Shiji Yang