ARM: qcom_defconfig: add support for USB networking

Add support for USB networking as a module to qcom_defconfig since its
a useful feature to have for development purposes.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm/configs/qcom_defconfig

@@ -186,6 +186,7 @@ CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_ECM=y
 CONFIG_USB_CONFIGFS_F_FS=y
 CONFIG_USB_ULPI_BUS=y
+CONFIG_USB_ETH=m
 CONFIG_MMC=y
 CONFIG_MMC_BLOCK_MINORS=32
 CONFIG_MMC_ARMMMCI=y