MLK-19581-1: ASoC: rpmsg_ak4497: support ak4497 over rpmsg

The difference of rpmsg_ak4497 and ak4497 driver is first one
will send command through rpmsg, second one send command through
i2c.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
(cherry picked from commit 337f70c4ea5278db28abe1e6eaefbf2d0082aec5)

sound/soc/codecs/Kconfig

@@ -224,6 +224,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_WM9713 if SND_SOC_AC97_BUS
 	select SND_SOC_RPMSG_WM8960
 	select SND_SOC_RPMSG_CS42XX8
+	select SND_SOC_RPMSG_AK4497
         help
           Normally ASoC codec drivers are only built if a machine driver which
           uses them is also built since they are only usable with a machine
@@ -1183,6 +1184,8 @@ config SND_SOC_RPMSG_WM8960
 config SND_SOC_RPMSG_CS42XX8
 	tristate
 
+config SND_SOC_RPMSG_AK4497
+	tristate
 # Amp
 config SND_SOC_LM4857
 	tristate

sound/soc/codecs/Makefile

@@ -238,6 +238,7 @@ snd-soc-wm-hubs-objs := wm_hubs.o
 snd-soc-zx-aud96p22-objs := zx_aud96p22.o
 snd-soc-rpmsg-wm8960-objs := rpmsg_wm8960.o
 snd-soc-rpmsg-cs42xx8-objs := rpmsg_cs42xx8.o
+snd-soc-rpmsg-ak4497-objs := rpmsg_ak4497.o
 
 # Amp
 snd-soc-dio2125-objs := dio2125.o
@@ -485,6 +486,7 @@ obj-$(CONFIG_SND_SOC_WM_HUBS)	+= snd-soc-wm-hubs.o
 obj-$(CONFIG_SND_SOC_ZX_AUD96P22) += snd-soc-zx-aud96p22.o
 obj-$(CONFIG_SND_SOC_RPMSG_WM8960)	+= snd-soc-rpmsg-wm8960.o
 obj-$(CONFIG_SND_SOC_RPMSG_CS42XX8)	+= snd-soc-rpmsg-cs42xx8.o
+obj-$(CONFIG_SND_SOC_RPMSG_AK4497)	+= snd-soc-rpmsg-ak4497.o
 
 # Amp
 obj-$(CONFIG_SND_SOC_DIO2125)	+= snd-soc-dio2125.o