defconfig: msm8974: Enable atheros bluetooth driver

Enable bluetooth UART transport driver and atheros bluetooth
driver to support atheros bluetooth chipsets.

Change-Id: I0ce4636bd58b7af198c4062616efa42ee7e8fb23
Signed-off-by: Ram Mohan Korukonda <rkorukon@codeaurora.org>
diff --git a/arch/arm/configs/msm8974-perf_defconfig b/arch/arm/configs/msm8974-perf_defconfig
index 2f5f7f0..d2c97b1 100644
--- a/arch/arm/configs/msm8974-perf_defconfig
+++ b/arch/arm/configs/msm8974-perf_defconfig
@@ -226,6 +226,8 @@
 CONFIG_BT_BNEP_PROTO_FILTER=y
 CONFIG_BT_HIDP=y
 CONFIG_BT_HCISMD=y
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_ATH3K=y
 CONFIG_MSM_BT_POWER=y
 CONFIG_CFG80211=y
 CONFIG_NL80211_TESTMODE=y