arm64: dts: juno: Fix GPU interrupt order

The Mali binding insists on the GPU interrupts to be in ordered as: job,
mmu, gpu.
Sort the GPU interrupts and interrupt-names properties accordingly.

Link: https://lore.kernel.org/r/20200513103016.130417-17-andre.przywara@arm.com


Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>