SmartDock uses ADC_RESERVED_ACC_3 (0x10) ADC ID type and provides following
features:
1. USB host with embedded USB hub (2-4 ports) for mice, keyboard, etc,
2. MHL for video output,
3. charging.

Tested with Unitek Y-2165 MHL+OTG Hub Smart Phone Dock.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Acked-by: NChanwoo Choi <cw00.choi@samsung.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>