build libstagefrigthw from tree
Revert "build libstagefrigthw from tree"

This reverts commit 6c87b1a1e595bd392ce9ea7cf3d02722c3005ab3.
Revert "Add 7k to mm-core and libstagefrightw"

This reverts commit 4f3768b95604140507ee9c070b7d18b1a1623c27.
wifi chizzle
wifi
wifi
update wifi module
update wpa_supplicant.conf
remove redunant line and update location of wpa_supplicant.conf
update prebuild wifi module