defconfig: msm8960: Enable qualcomm serial driver

qualcomm serial driver is generic serial driver for gobi
devices. This will be used for flashless boot.

Change-Id: Ic80f4aa5cb17e28854e2089b86b67bae32a2d970
Signed-off-by: Vamsi Krishna <vskrishn@codeaurora.org>
diff --git a/arch/arm/configs/msm8960_defconfig b/arch/arm/configs/msm8960_defconfig
index 64776e6..c869beb 100755
--- a/arch/arm/configs/msm8960_defconfig
+++ b/arch/arm/configs/msm8960_defconfig
@@ -330,6 +330,8 @@
 CONFIG_USB_STORAGE_ONETOUCH=y
 CONFIG_USB_STORAGE_KARMA=y
 CONFIG_USB_STORAGE_CYPRESS_ATACB=y
+CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL_QUALCOMM=y
 CONFIG_USB_EHSET_TEST_FIXTURE=y
 CONFIG_USB_QCOM_DUN_BRIDGE=y
 CONFIG_USB_GADGET=y