uapi: qg: Fix UAPI header to enable 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: I405dcabcede923eb18d8be4e1738b11b2e3761f4
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>