arm64: dts: rockchip: add missing #interrupt-cells to rk356x pcie2x1

This fixes the following issue:
  pcieport 0000:00:00.0: of_irq_parse_pci: failed with rc=-22

Signed-off-by: Jensen Huang <jensenhuang@friendlyarm.com>
Link: https://lore.kernel.org/r/20230113064457.7105-1-jensenhuang@friendlyarm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Jensen Huang 2023-01-13 14:44:57 +08:00 • committed by Heiko Stuebner
commit a323e6b573