Putting module.h into widely used headers just bogs cpp down with reams of
stuff that isn't needed.  Here, we only need visibility to EXPORT_SYMBOL.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3450/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>