msm: audio: qdsp6v2: Enable RTAC for 8660 & 8960

Enabled real-time audio calibration (RTAC) for both
8660 and 8960.

Signed-off-by: Ben Romberger <bromberg@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 02834f6..c74ca7c 100644
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -281,6 +281,7 @@
 # CONFIG_SND_ARM is not set
 # CONFIG_SND_SPI is not set
 CONFIG_SND_USB_AUDIO=y
+CONFIG_RTAC=y
 CONFIG_SND_SOC=y
 CONFIG_SND_SOC_QDSP6=y
 CONFIG_USB=y