staging: prima: remove firmware files

Change-Id: I4ab094a5a931b18d9263802cd26564f8ab735199
staging: prima: Kbuild --> Makefile

Change-Id: I1907b4cf928391bed97d63901b3cdde25014cd52
msm: HTC: s4: regenerate defconfigs

Change-Id: I4e349ca9ec41ee684903a281177e94c45647e8c8
msm: HTC: s4: update prima defconfig options

Change-Id: I796457b8fb9253fcaa3e540916fe79859f0bad17