s4-common: remove deprecated SEPERATED_CAMCORDER flag

Change-Id: I9ee2d66659d935276042d2e3d03ce11bbab2e309
s4-common: enable swipe controls in recovery

Swipe controls available with http://review.cyanogenmod.org/51704

Change-Id: Ibd54f0cd1f437eb949bae6f4aade9f64f3f68b6c

Conflicts:
	BoardConfigCommon.mk
s4-common: update tethering iface names

Change-Id: If80c667a2c4967b629913c65ce74bda8409e3ab4