emulators/virtualbox-ose{,-additions}-legacy: Unification of patches with ports emulators/virtualbox-ose{,-additions}
Replace REINPLACE_CMD in Makefiles with patches in files/*.
PR: 272991 279257
MFH: 2025Q1
(cherry picked from commit c9b6fc0d29fba9262f6b6af6316e14703add2a10)