uapi: Fix QCOM headers to work with UAPI_HEADER_TEST

UAPI_HEADER_TEST ensures that all the uapi headers can be built as
standalone files which facilitates their use in the wider world. Fix
headers to use common kernel definitions.

Change-Id: Id20599d5cf1c20150ad90752bccdcf2c218b35da
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>