staging: prima: Allow prima_wlan to be built inside kernel

* Prima needs wcnss to be set up when it loads.
  Therefore use a platform_driver in to notify prima that wcnss is ready.

Change-Id: I6c403f705e9dffa524a2aab54453e50775b45264

Conflicts:
	drivers/staging/prima/CORE/HDD/src/wlan_hdd_main.c
staging: prima: cleanup WCNSS_qcom_cfg.ini

Change-Id: Ide24ae06c0f6c83f76822963c0af1fc23de1c524
msm: HTC: s4: regenerate defconfigs

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

Change-Id: I796457b8fb9253fcaa3e540916fe79859f0bad17