The drivers don't generally use AC_CHECK_FILE anymore, so remove this
brute-force kludge. Any subsequent breakage can be worked-around in the recipe
and fixes submitted upstream.
(From OE-Core rev: 1b0d9cb1801a8eb68c82dfcda5a1da420ac8dd83)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>