treewide: replace #include <asm-generic/errno.h> with <linux/errno.h>

Now, include/linux/errno.h is a wrapper of <asm-generic/errno.h>.
Replace all include directives for <asm-generic/errno.h> with
<linux/errno.h>.

<asm-generic/...> is supposed to be included from <asm/...> when
arch-headers fall back into generic implementation. Generally, they
should not be directly included from .c files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add drivers/usb/host/xhci-rockchip.c]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index bede04b..53281d7 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -18,7 +18,7 @@
 #include <asm/arch/system.h>
 #include <asm/arch/power.h>
 #include <asm/gpio.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <linux/compat.h>
 #include "ehci.h"
 
diff --git a/drivers/usb/host/xhci-exynos5.c b/drivers/usb/host/xhci-exynos5.c
index 28416ed..82fcd84 100644
--- a/drivers/usb/host/xhci-exynos5.c
+++ b/drivers/usb/host/xhci-exynos5.c
@@ -24,7 +24,7 @@
 #include <asm/arch/power.h>
 #include <asm/arch/xhci-exynos.h>
 #include <asm/gpio.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <linux/compat.h>
 #include <linux/usb/dwc3.h>
 
diff --git a/drivers/usb/host/xhci-fsl.c b/drivers/usb/host/xhci-fsl.c
index 6ff450c..bda5b5f 100644
--- a/drivers/usb/host/xhci-fsl.c
+++ b/drivers/usb/host/xhci-fsl.c
@@ -10,7 +10,7 @@
 
 #include <common.h>
 #include <usb.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <linux/compat.h>
 #include <linux/usb/xhci-fsl.h>
 #include <linux/usb/dwc3.h>
diff --git a/drivers/usb/host/xhci-keystone.c b/drivers/usb/host/xhci-keystone.c
index 924fb76..f322a80 100644
--- a/drivers/usb/host/xhci-keystone.c
+++ b/drivers/usb/host/xhci-keystone.c
@@ -14,7 +14,7 @@
 #include <asm/io.h>
 #include <linux/usb/dwc3.h>
 #include <asm/arch/xhci-keystone.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <linux/list.h>
 #include "xhci.h"
 
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 3744452..62db51d 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -20,7 +20,7 @@
 #include <usb.h>
 #include <malloc.h>
 #include <asm/cache.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 
 #include "xhci.h"
 
diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c
index fd19f79..b881b19 100644
--- a/drivers/usb/host/xhci-omap.c
+++ b/drivers/usb/host/xhci-omap.c
@@ -11,7 +11,7 @@
 
 #include <common.h>
 #include <usb.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <asm/omap_common.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/sys_proto.h>
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5a1391f..2675a8f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -18,7 +18,7 @@
 #include <asm/byteorder.h>
 #include <usb.h>
 #include <asm/unaligned.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 
 #include "xhci.h"
 
diff --git a/drivers/usb/host/xhci-rockchip.c b/drivers/usb/host/xhci-rockchip.c
index 561bf86..8cbcb8f 100644
--- a/drivers/usb/host/xhci-rockchip.c
+++ b/drivers/usb/host/xhci-rockchip.c
@@ -12,7 +12,7 @@
 #include <usb.h>
 #include <watchdog.h>
 #include <asm/gpio.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <linux/compat.h>
 #include <linux/usb/dwc3.h>
 
diff --git a/drivers/usb/host/xhci-zynqmp.c b/drivers/usb/host/xhci-zynqmp.c
index a735369..cec1bc4 100644
--- a/drivers/usb/host/xhci-zynqmp.c
+++ b/drivers/usb/host/xhci-zynqmp.c
@@ -12,7 +12,7 @@
 
 #include <common.h>
 #include <usb.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include <asm/arch-zynqmp/hardware.h>
 #include <linux/compat.h>
 #include <linux/usb/dwc3.h>
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index cb8a04b..3201177 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -28,7 +28,7 @@
 #include <watchdog.h>
 #include <asm/cache.h>
 #include <asm/unaligned.h>
-#include <asm-generic/errno.h>
+#include <linux/errno.h>
 #include "xhci.h"
 
 #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT