src/commonlib: Drop unneeded empty lines

Change-Id: Ib3db132aa649b6895f41290df049f87a9f36dc52
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44606
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/commonlib/region.c

@@ -420,7 +420,6 @@ const struct region_device_ops xlate_rdev_rw_ops = {
 	.eraseat = xlate_eraseat,
 };
 
-
 static void *incoherent_mmap(const struct region_device *rd, size_t offset,
 				size_t size)
 {