media: Revert "media: ccs-pll: Fix MODULE_LICENSE"

This reverts commit b3c0115e.

As per Documentation/process/license-rules.rst "GPL v2" exists only for
historical reasons and has the same meaning as "GPL". So revert this
patch.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ccs-pll.c

@@ -883,4 +883,4 @@ EXPORT_SYMBOL_GPL(ccs_pll_calculate);
 
 MODULE_AUTHOR("Sakari Ailus <sakari.ailus@linux.intel.com>");
 MODULE_DESCRIPTION("Generic MIPI CCS/SMIA/SMIA++ PLL calculator");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");