[PATCH] sh: fix spdx format

[Tom Rix]

checkpatch reports
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
FILE: arch/sh/include/asm/platform_early.h:1:
+/* SPDX--License-Identifier: GPL-2.0 */

Remove extra -

Fixes: 507fd01d5333 ("drivers: move the early platform device support to arch/sh")
Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
 arch/sh/drivers/platform_early.c     | 2 +-
 arch/sh/include/asm/platform_early.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sh/drivers/platform_early.c b/arch/sh/drivers/platform_early.c
index 143747c45206..1c2a571a8ab8 100644
--- a/arch/sh/drivers/platform_early.c
+++ b/arch/sh/drivers/platform_early.c
@@ -1,4 +1,4 @@
-// SPDX--License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0
 
 #include <asm/platform_early.h>
 #include <linux/mod_devicetable.h>
diff --git a/arch/sh/include/asm/platform_early.h b/arch/sh/include/asm/platform_early.h
index fc802137c37d..00b6e6dc4ac4 100644
--- a/arch/sh/include/asm/platform_early.h
+++ b/arch/sh/include/asm/platform_early.h
@@ -1,4 +1,4 @@
-/* SPDX--License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0 */
 
 #ifndef __PLATFORM_EARLY__
 #define __PLATFORM_EARLY__
-- 
2.26.3