linux-phytec-ti

dt-bindings: phy: add dt bindings for phy-keystone-serdes

Keystone SERDES IP is integrated with PCIe, 1GBE and 10GBE IPs in the
SoC. This patch adds dt bindings for phy-keystone-serdes Phy device
which is implemented using the generic phy interface with each lane
corresponding to a phy device.

Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>