t0lte: clean up device tree

Clean up overlays and cm.mk

Change-Id: I371505cbe4ba9ccbf2aac765f2ea1b4f13155df5
Signed-off-by: Ricky Salinas <rsalinas1@mail.usf.edu>
t0lte: updates for AOSPA

Change-Id: Ib1f82b6a01d640a006efaf88e25dd0e7fd903e89