src: Remove extra lines in license header

Change-Id: I7378aa7d6156ece3ab3959707a69f45886f86d21
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43593
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/ec/google/chromeec/ec_skuid.c

@@ -1,8 +1,4 @@
-/*
- *
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 #include <stddef.h>
 #include <boardid.h>