PCI: rockchip: Rename rockchip_cfg_atu() to rockchip_pcie_cfg_atu()

Rename rockchip_cfg_atu() to keep the name consistent with other functions
in pcie-rockchip.c.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
1 file changed