tree: Remove unneeded semicolons after loops

Trivial cleanup

Change-Id: Id93a019a39b765c70b1a4eaeb25d9b582c3e4141
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/42742
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

cbtable.c

@@ -205,7 +205,7 @@ static struct lb_header *find_lb_table(void *base, unsigned long start,
 		msg_pdbg("Found coreboot table at 0x%08lx.\n", addr);
 		return head;
 
-	};
+	}
 
 	return NULL;
 }