Fix writing to external sdcard

Change-Id: Iab941732cf2c65fdfc6d6f838badd24cd16037c5
Move wpa_supplicant_overlay to family trees

Change-Id: I1e17249b3c40346a794764bb5adf37611101523b
Move 8960 specific things from qcom-common

Update rootfs from caf

Change-Id: Ia2916ce34d09346cca482723f6c05454dcc7e240
Move legacy alsa define to familes

Change-Id: I76f9c34b2e189f5c0e65efc8f908942a3df3ba6c