usb: dwc3: dwc3-octeon: Move node parsing into driver probe

Parse and verify device tree node first, then setup UCTL bridge
using verified values. This avoids needless allocations
in case DT misconfiguration was found in the middle of setup.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/ZMd/x3MHA4/QowMO@lenoch


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>