add endeavoru aka HTC One X to build targets

now that completely working builds of endeavoru is possible
(after below merges)

requires merger of
http://review.cyanogenmod.com/#/c/23061/
http://review.cyanogenmod.com/#/c/23077/
http://review.cyanogenmod.com/#/c/23296/



Change-Id: I10a4e0eaf54bc39cf0cd6ffd43d67f95704f99e5
Signed-off-by: Nagaprasad N <gorbi16@gmail.com>