[PATCH] irqchip: madera: Fixup SPDX headers

[Charles Keepax]

GPL-2.0-only is the preferred way of expressing v2 of the GPL, update
the code to use this.

Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/irqchip/irq-madera.c       | 2 +-
 include/linux/irqchip/irq-madera.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-madera.c b/drivers/irqchip/irq-madera.c
index 8b81271c823c6..6b0457876941d 100644
--- a/drivers/irqchip/irq-madera.c
+++ b/drivers/irqchip/irq-madera.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Interrupt support for Cirrus Logic Madera codecs
  *
diff --git a/include/linux/irqchip/irq-madera.h b/include/linux/irqchip/irq-madera.h
index 1160fa3769ae6..3a46cadd38654 100644
--- a/include/linux/irqchip/irq-madera.h
+++ b/include/linux/irqchip/irq-madera.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Interrupt support for Cirrus Logic Madera codecs
  *
-- 
2.11.0