greybus: greybus_id.h: minor typo fixes

Align up the BIT() #defines and properly comment the include block
define.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/greybus_id.h

@@ -20,7 +20,7 @@ struct greybus_interface_id {
 
 /* Used to match the greybus_interface_id */
 #define GREYBUS_ID_MATCH_VENDOR		BIT(0)
-#define GREYBUS_ID_MATCH_PRODUCT		BIT(1)
+#define GREYBUS_ID_MATCH_PRODUCT	BIT(1)
 #define GREYBUS_ID_MATCH_SERIAL		BIT(2)
 
-#endif /* __LINUX_GREYBUS_H */
+#endif /* __LINUX_GREYBUS_ID_H */