defconfig: mdmcalifornium: Enable USBNET, IPA Bridge and SMSC mini-drivers

Enables USBNET, IPA Bridge and SMSC mini-drivers for USB Host mode
operation.

Change-Id: Ia9ca291e2c19d001d23b2c8a7304682b57bef387
Signed-off-by: Devdutt Patnaik <dpatnaik@codeaurora.org>
Signed-off-by: Azhar Shaikh <azhars@codeaurora.org>