ARM: shmobile: defconfig: add Renesas DPCM Sound Card

This patch enables DPCM related sound card.
It is used for...
 - Sampline rate convert
 - CTU/MIXer

Note: you need to enable these settings on DTS file
Signed-off-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/configs/shmobile_defconfig

@@ -152,6 +152,7 @@ CONFIG_SND=y
 CONFIG_SND_SOC=y
 CONFIG_SND_SOC_SH4_FSI=y
 CONFIG_SND_SOC_RCAR=y
+CONFIG_SND_SOC_RSRC_CARD=y
 CONFIG_SND_SOC_AK4642=y
 CONFIG_SND_SOC_WM8978=y
 CONFIG_USB=y