arm/dts/qemu-sbsa: Fix interrupt

Change the vcpumntirq in the GICv3 node from SPI to PPI.

Prevents Linux from complaining:
'[Firmware Bug]: CPU interface incapable of MMIO access'

Fixes: 6d722894fd48 "board: emulation: Add QEMU sbsa support"

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
1 file changed