m8: add necessary paths for speakerphone

Change-Id: Ifd1770c8bb6a2ede8b5e8acc03d2865afae55639
(cherry picked from commit dba45f4d7469361d32ac782f0b51cb43ae383cfa)
overlay: mms: increase mms image size

Change-Id: Ifd3767806144f1aa0d261851c2078dc0cc16fe2f
(cherry picked from commit 29540fd4174468fd9321979ea501b157262b93ed)