PCI: dw-rockchip: Fix weird indentation

Fix the indentation of rockchip_pcie_{readl,writel}_apb() parameters to
match the opening parenthesis.

Link: https://lore.kernel.org/linux-pci/20240607-rockchip-pcie-ep-v1-v5-7-0a042d6b0049@kernel.org


Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>