Added rtapi_ioperm() declaration for hal_speaker#2164

andypugh merged 2 commits intoLinuxCNC:2.9LinuxCNC/linuxcnc:2.9from

petterreinholdtsen:2.9-rtapi-iopermpetterreinholdtsen/linuxcnc:2.9-rtapi-iopermCopy head branch name to clipboard