arm64: zynqmp: Match dwc3 interrupts description with values

Correct IRQ values don't match IRQ line description.
There is one more IRQ (hiber) but it is not described in DT binding spec
that's why value is not described. Just for completeness dwc3_0 has hiber
IRQ at 75 and dwc3_1 at 76.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/578d758ce2af7e307e38ac8b7fa28ba9efba16d4.1704364111.git.michal.simek@amd.com