Include export.h in the list of generic headers used by the MIPS
architecture for use by later patches.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14506/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>