ARM: imx_v6_v7_defconfig: Select the es8328 codec driver

Select CONFIG_SND_SOC_ES8328 so that we can have audio functional
by default on Kosagi Novena boards.
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/configs/imx_v6_v7_defconfig

@@ -257,6 +257,7 @@ CONFIG_SND_IMX_SOC=y
 CONFIG_SND_SOC_PHYCORE_AC97=y
 CONFIG_SND_SOC_EUKREA_TLV320=y
 CONFIG_SND_SOC_IMX_WM8962=y
+CONFIG_SND_SOC_IMX_ES8328=y
 CONFIG_SND_SOC_IMX_SGTL5000=y
 CONFIG_SND_SOC_IMX_SPDIF=y
 CONFIG_SND_SOC_IMX_MC13783=y