linux/configs: Add DMA configs to xilinx-ip.cfg

* CONFIG_XILINX_VDMA is the mainline AXI VDMA driver

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
linux/configs: Add additional configs for Zynq USB

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
zedboard-zynq7: Fixed up device tree

* Added USB PHY reset binding
* Updated Ethernet PHY compat and init values

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
boards/*.dtsi: Updated Zynq device trees

* Removed use of very outdated 'gpio-mask-high' and 'gpio-mask-low'

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>