linux-imx

ASoC: rt5663: rename rt5668 as rt5663 v2

The "rt5668" codec supported in this driver is actually a revision
of "rt5663". So the patch is renamed to "rt5663 v2"

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>