arm64: zynqmp: Remove unused USB DT properties

xlnx,usb-polarity, xlnx,usb-reset-mode and snps,mask_phy_reset are not
documented in dt binding and also there is no code associated with them
that's why remove them.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/369139fafa1745252ef687e31aebf6bcc2080a32.1670853972.git.michal.simek@amd.com
6 files changed