ASoC: max98390: Added Amplifier Driver

This is the initial amplifier driver for max98390.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Steve Lee <steves.lee@maximintegrated.com>
Link: https://lore.kernel.org/r/20200518005038.21074-1-steves.lee@maximintegrated.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -116,6 +116,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_MAX98926
 	imply SND_SOC_MAX98927
 	imply SND_SOC_MAX98373
+	imply SND_SOC_MAX98390
 	imply SND_SOC_MAX9850
 	imply SND_SOC_MAX9860
 	imply SND_SOC_MAX9759
@@ -867,6 +868,10 @@ config SND_SOC_MAX98373
 	tristate "Maxim Integrated MAX98373 Speaker Amplifier"
 	depends on I2C
 
+config SND_SOC_MAX98390
+	tristate "Maxim Integrated MAX98390 Speaker Amplifier"
+	depends on I2C
+
 config SND_SOC_MAX9850
 	tristate
 	depends on I2C

sound/soc/codecs/Makefile

@@ -115,6 +115,7 @@ snd-soc-max98925-objs := max98925.o
 snd-soc-max98926-objs := max98926.o
 snd-soc-max98927-objs := max98927.o
 snd-soc-max98373-objs := max98373.o
+snd-soc-max98390-objs := max98390.o
 snd-soc-max9850-objs := max9850.o
 snd-soc-max9860-objs := max9860.o
 snd-soc-mc13783-objs := mc13783.o
@@ -416,6 +417,7 @@ obj-$(CONFIG_SND_SOC_MAX98925)	+= snd-soc-max98925.o
 obj-$(CONFIG_SND_SOC_MAX98926)	+= snd-soc-max98926.o
 obj-$(CONFIG_SND_SOC_MAX98927)	+= snd-soc-max98927.o
 obj-$(CONFIG_SND_SOC_MAX98373)	+= snd-soc-max98373.o
+obj-$(CONFIG_SND_SOC_MAX98390)	+= snd-soc-max98390.o
 obj-$(CONFIG_SND_SOC_MAX9850)	+= snd-soc-max9850.o
 obj-$(CONFIG_SND_SOC_MAX9860)	+= snd-soc-max9860.o
 obj-$(CONFIG_SND_SOC_MC13783)	+= snd-soc-mc13783.o