driver: char: rpimem: Add SPDX licence header.

Stops checkpatch complaining.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

diff --git a/drivers/char/broadcom/rpivid-mem.c b/drivers/char/broadcom/rpivid-mem.c
index 432fb05..fa97649 100644 (file)
--- a/drivers/char/broadcom/rpivid-mem.c
+++ b/drivers/char/broadcom/rpivid-mem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /**
  * rpivid-mem.c - character device access to the RPiVid decoder registers
  *