zynq7-base.dtsi: Remove unused properties

* the "xlnx,fb-clk" and "xlnx,qspi-mode" properties are not used

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
linux-xlnx_3.14: Add patch for USB PHY reset during probe

* Adds the ability for the USB driver to reset the PHY via a GPIO pin
* This resolves the case where FSBL, u-boot-spl, u-boot does not reset
  the PHY

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
boards/*.dtsi: Fix up USB PHY reset nodes

* Use the xlnx,phy-reset-gpio property to specify the USB PHY's reset
  signal

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
external-xilinx-toolchain: Fix up PREFERRED_PROVIDER for glibc

* Switch default provider for glibc

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>
external-xilinx-toolchain: Fix up RDEPENDS for ldd and tzcode

* Fix-up RDEPENDS to resolve warning for 'ldd', 'tzcode'. Which
  REDEPEND on bash

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