i2c: ocores: add SPDX tag

It adds the SPDX tag and it removes the old text about the GPLv2.
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-ocores.c

+// SPDX-License-Identifier: GPL-2.0
 /*
  * i2c-ocores.c: I2C bus driver for OpenCores I2C controller
  * (https://opencores.org/project/i2c/overview)
@@ -6,10 +7,6 @@
  *
  * Support for the GRLIB port of the controller by
  * Andreas Larsson <andreas@gaisler.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2.  This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #include <linux/clk.h>

include/linux/platform_data/i2c-ocores.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * i2c-ocores.h - definitions for the i2c-ocores interface
  *
  * Peter Korsgaard <peter@korsgaard.com>
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2.  This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
  */
 
 #ifndef _LINUX_I2C_OCORES_H