drivers: Get rid of unnecessary blank lines {before,after} brace

Change-Id: Ic1b38e93d919c1286a8d130700a4a2bfd6b55258
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61557
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>

src/drivers/smmstore/store.c

@@ -169,7 +169,6 @@ static enum cb_err scan_end(struct region_device *store)
 		return CB_ERR;
 
 	return CB_SUCCESS;
-
 }
 /*
  * Append data to region