PCI: dwc: Add dw_pcie_disable_atu()
This adds dw_pcie_disable_atu() taken from Linux-5.4. This is needed by
the upcoming Layerscape driver.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent e08daf4 commit 9f7d69b7ee822bcd7fefd9dce1a472af07215225
@Sascha Hauer Sascha Hauer authored on 25 Nov 2019
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drivers/pci/pcie-designware.c
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drivers/pci/pcie-designware.h