clk: zynq: Add optional ethernet emio clock source support

Add support for the optional ethernet emio clock source to the zynq
clock framework driver.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
1 file changed