MSP: Add minimum power index to MSP_VTX_CONFIG#11190

sensei-hacker merged 2 commits intoiNavFlight:maintenance-9.xiNavFlight/inav:maintenance-9.xfrom

sensei-hacker:feature-vtx-power-minsensei-hacker/inav_unofficial_targets:feature-vtx-power-minCopy head branch name to clipboard