ASoC: Ux500: Correct license strings

GPLv2 -> GPL v2

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index 496dec1..ee14d2d 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -739,4 +739,4 @@
 	devm_kfree(&pdev->dev, msp);
 }
 
-MODULE_LICENSE("GPLv2");
+MODULE_LICENSE("GPL v2");