Revert "remove qcom dependencies"

This reverts commit aed5ade6f2fbda72b0d7c0985cd34c1fdebe5acd.
m4: Remove unnecessary RIL flag

NEW_LIBRIL_HTC only matters if we're using libril from hardware/ril,
which we're not.

Change-Id: I177c85379d76f8f2a6ad08d0c94fe4aca4ab2c63
m4: Delete unused files

Change-Id: I12534b00e2e6af92264ec895b394da2da920517c
m4: Remove unnecessary LTE overlay option

Change-Id: I843991479cf03dd8def745a8f0bd79815fefda2f