staging: bcm2048: add SPDX License Identifier

Add missing SPDX License Identifier. Reported by checkpatch.

Signed-off-by: Ioannis Valasakis <code@wizofe.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c
index 874d290..fe87d0a 100644
--- a/drivers/staging/media/bcm2048/radio-bcm2048.c
+++ b/drivers/staging/media/bcm2048/radio-bcm2048.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * drivers/staging/media/radio-bcm2048.c
  *
diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.h b/drivers/staging/media/bcm2048/radio-bcm2048.h
index 4d950c1..22887a0 100644
--- a/drivers/staging/media/bcm2048/radio-bcm2048.h
+++ b/drivers/staging/media/bcm2048/radio-bcm2048.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * drivers/staging/media/radio-bcm2048.h
  *