x86: fix up files really needing to include module.h

These files aren't just exporting symbols -- they are also defining
a MODULE_LICENSE etc. so give them the full module.h file.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

drivers/platform/x86/msi-wmi.c

@@ -28,6 +28,7 @@
 #include <linux/acpi.h>
 #include <linux/backlight.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 
 MODULE_AUTHOR("Thomas Renninger <trenn@suse.de>");
 MODULE_DESCRIPTION("MSI laptop WMI hotkeys driver");