Backport upstream patch that fixes TRGMII mode now that mt7530 is actually resetting the switch on ramips devices. Patches apply to both Linux 5.4 and 5.10, since TRGMII is broken on both. Fixes:69551a2442("ramips: manage low reset lines") Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> (cherry picked from commit680f91d0e5)