Document additional "phy-connection-type" values
Document additional "phy-connection-type" values

Add the following values to the "phy-connection-type" property:

* Serial Gigabit Media Independent Interface      ``sgmii``
* Reverse Media Independent Interface             ``rev-mii``
* 10 Gigabits Media Independent Interface         ``xgmii``
* Multimedia over Coaxial                         ``moca``
* Quad Serial Gigabit Media Independent Interface ``qsgmii``

Signed-off-by: Florian Fainelli <59190c1867e3222b932a0de3c668eb2d980d69a2@gmail.com>
[glikely: Fixed alignment of column labels]
Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@linaro.org>

kvekaria/devicetree-specification,devicetree-org/devicetree-specification