[PATCH] spi: spi-gxp: fix typo in SPDX identifier line

["Bird, Tim" <Tim.Bird@xxxxxxxx>]

Use '-' instead of '=' in identifier: "GPL-2.0-or-later"

Signed-off-by: Tim Bird <tim.bird@xxxxxxxx>
---
 drivers/spi/spi-gxp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-gxp.c b/drivers/spi/spi-gxp.c
index 9ea355f7d64f..1459dd224199 100644
--- a/drivers/spi/spi-gxp.c
+++ b/drivers/spi/spi-gxp.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0=or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Copyright (C) 2022 Hewlett-Packard Development Company, L.P. */
 
 #include <linux/iopoll.h>
-- 
2.25.1