[Kernel] usb 3G USB Dongle 사용을 위한 kernel configs

Kernel   #usb  3G USB Dongle bug fix

1. Bug  : "unable to enumerate USB device on port "
2. Resolve : enable below kernel configs
+ CONFIG_USB_ARCH_HAS_EHCI=y
+ CONFIG_USB_ACM=y
+ CONFIG_USB_SERIAL_QUALCOMM=y