ASoC: samsung: h1940_uda1380: Convert to SPDX License Identifier

Replace GPL v2.0+ license statements with SPDX license identifier.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/samsung/h1940_uda1380.c

-/*
- * h1940-uda1380.c  --  ALSA Soc Audio Layer
- *
- * Copyright (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
- * Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
- *
- * Based on version from Arnaud Patard <arnaud.patard@rtp-net.org>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// h1940_uda1380.c - ALSA SoC Audio Layer
+//
+// Copyright (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
+// Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
+//
+// Based on version from Arnaud Patard <arnaud.patard@rtp-net.org>
 
 #include <linux/types.h>
 #include <linux/gpio.h>