usb: Fix H20AHB driver for big-endian

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/usb/host/ehci-h20ahb.c b/drivers/usb/host/ehci-h20ahb.c
index 3ee3c7a..7724bab 100644
--- a/drivers/usb/host/ehci-h20ahb.c
+++ b/drivers/usb/host/ehci-h20ahb.c
@@ -58,12 +58,12 @@
 
 static inline void ehci_write(void __iomem *base, u32 reg, u32 val)
 {
-	__raw_writel(val, base + reg);
+	writel_relaxed(val, base + reg);
 }
 
 static inline u32 ehci_read(void __iomem *base, u32 reg)
 {
-	return __raw_readl(base + reg);
+	return readl_relaxed(base + reg);
 }
 
 /* configure so an HC device and id are always provided */