PCI: Move DesignWare IP support to new drivers/pci/dwc/ directory

Group all the PCI drivers that use DesignWare core in dwc directory.
dwc IP is capable of operating in both host mode and device mode and
keeping it inside the *host* directory is misleading.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-By: Joao Pinto <jpinto@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Minghuan Lian <minghuan.Lian@freescale.com>
Cc: Mingkai Hu <mingkai.hu@freescale.com>
Cc: Roy Zang <tie-fei.zang@freescale.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Niklas Cassel <niklas.cassel@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
Cc: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index cfff2c9..8672f18 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9429,7 +9429,7 @@
 L:	linux-arm-kernel@lists.infradead.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/pci-armada8k.txt
-F:	drivers/pci/host/pcie-armada8k.c
+F:	drivers/pci/dwc/pcie-armada8k.c
 
 PCI DRIVER FOR APPLIEDMICRO XGENE
 M:	Tanmay Inamdar <tinamdar@apm.com>
@@ -9447,7 +9447,7 @@
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org
 S:	Maintained
-F:	drivers/pci/host/*layerscape*
+F:	drivers/pci/dwc/*layerscape*
 
 PCI DRIVER FOR IMX6
 M:	Richard Zhu <hongxing.zhu@nxp.com>
@@ -9456,14 +9456,14 @@
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
-F:	drivers/pci/host/*imx6*
+F:	drivers/pci/dwc/*imx6*
 
 PCI DRIVER FOR TI KEYSTONE
 M:	Murali Karicheri <m-karicheri2@ti.com>
 L:	linux-pci@vger.kernel.org
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
-F:	drivers/pci/host/*keystone*
+F:	drivers/pci/dwc/*keystone*
 
 PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
 M:	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
@@ -9495,7 +9495,7 @@
 L:	linux-pci@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/pci/ti-pci.txt
-F:	drivers/pci/host/pci-dra7xx.c
+F:	drivers/pci/dwc/pci-dra7xx.c
 
 PCI DRIVER FOR RENESAS R-CAR
 M:	Simon Horman <horms@verge.net.au>
@@ -9510,7 +9510,7 @@
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
 S:	Maintained
-F:	drivers/pci/host/pci-exynos.c
+F:	drivers/pci/dwc/pci-exynos.c
 
 PCI DRIVER FOR SYNOPSIS DESIGNWARE
 M:	Jingoo Han <jingoohan1@gmail.com>
@@ -9518,7 +9518,7 @@
 L:	linux-pci@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/designware-pcie.txt
-F:	drivers/pci/host/*designware*
+F:	drivers/pci/dwc/*designware*
 
 PCI DRIVER FOR GENERIC OF HOSTS
 M:	Will Deacon <will.deacon@arm.com>
@@ -9539,7 +9539,7 @@
 M:	Pratyush Anand <pratyush.anand@gmail.com>
 L:	linux-pci@vger.kernel.org
 S:	Maintained
-F:	drivers/pci/host/*spear*
+F:	drivers/pci/dwc/*spear*
 
 PCI MSI DRIVER FOR ALTERA MSI IP
 M:	Ley Foon Tan <lftan@altera.com>
@@ -9564,7 +9564,7 @@
 L:	linux-pci@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/axis,artpec*
-F:	drivers/pci/host/*artpec*
+F:	drivers/pci/dwc/*artpec*
 
 PCIE DRIVER FOR HISILICON
 M:	Zhou Wang <wangzhou1@hisilicon.com>
@@ -9572,7 +9572,7 @@
 L:	linux-pci@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
-F:	drivers/pci/host/pcie-hisi.c
+F:	drivers/pci/dwc/pcie-hisi.c
 
 PCIE DRIVER FOR ROCKCHIP
 M:	Shawn Lin <shawn.lin@rock-chips.com>
@@ -9588,7 +9588,7 @@
 L:     linux-pci@vger.kernel.org
 L:     linux-arm-msm@vger.kernel.org
 S:     Maintained
-F:     drivers/pci/host/*qcom*
+F:     drivers/pci/dwc/*qcom*
 
 PCIE DRIVER FOR CAVIUM THUNDERX
 M:	David Daney <david.daney@cavium.com>