[ARM] FIX: change `pkhtb` custom parsing produce NoMatch rather than Error#85765

mstorsjo merged 7 commits intollvm:mainllvm/llvm-project:mainfrom

AlfieRichardsArm:ffmpeg-pkhtb-fixAlfieRichardsArm/llvm-project:ffmpeg-pkhtb-fixCopy head branch name to clipboard