ASoC: rt5660: add rt5660 codec driver

This is the initial codec driver for rt5660

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 58036af..68fed20 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -112,6 +112,7 @@
 snd-soc-rt5645-objs := rt5645.o
 snd-soc-rt5651-objs := rt5651.o
 snd-soc-rt5659-objs := rt5659.o
+snd-soc-rt5660-objs := rt5660.o
 snd-soc-rt5670-objs := rt5670.o
 snd-soc-rt5677-objs := rt5677.o
 snd-soc-rt5677-spi-objs := rt5677-spi.o
@@ -333,6 +334,7 @@
 obj-$(CONFIG_SND_SOC_RT5645)	+= snd-soc-rt5645.o
 obj-$(CONFIG_SND_SOC_RT5651)	+= snd-soc-rt5651.o
 obj-$(CONFIG_SND_SOC_RT5659)	+= snd-soc-rt5659.o
+obj-$(CONFIG_SND_SOC_RT5660)	+= snd-soc-rt5660.o
 obj-$(CONFIG_SND_SOC_RT5670)	+= snd-soc-rt5670.o
 obj-$(CONFIG_SND_SOC_RT5677)	+= snd-soc-rt5677.o
 obj-$(CONFIG_SND_SOC_RT5677_SPI)	+= snd-soc-rt5677-spi.o