src: Add required space after "switch"

Change-Id: I85cf93e30606bc7838852bd300a369e79370629a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29623
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/device/device_util.c

@@ -168,7 +168,7 @@ const char *dev_path(const struct device *dev)
 	if (!dev) {
 		memcpy(buffer, "<null>", 7);
 	} else {
-		switch(dev->path.type) {
+		switch (dev->path.type) {
 		case DEVICE_PATH_NONE:
 			memcpy(buffer, "NONE", 5);
 			break;