UPSTREAM: PCI: rockchip: cleanup bit definition for PCIE_RC_CONFIG_LCS

UPSTREAM: PCI: rockchip: cleanup bit definition for PCIE_RC_CONFIG_LCS

PCIE_RC_CONFIG_LCS contains control and status bits specific
to the PCIe link. The layout for this register looks the same
as the existed PCI_EXP_LNKCTL and PCI_EXP_LNKSTA. So let's
reuse them.

Change-Id: I3e2b88d9c12f2bf924a3d6b8f2254904f9b594b2
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
(am from git.kernel.org/cgit/linux/kernel/git/next/linux-next.git
commit 144ded1828f015f1a53d50bce730ed15f17ff38f)