ehci-mx5: Fix OC_DIS usage

MXC_OTG_PHYCTRL_OC_DIS_BIT disables the oc pin if set, like MXC_H1_OC_DIS_BIT,
not the opposite.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/drivers/usb/host/ehci-mx5.c b/drivers/usb/host/ehci-mx5.c
index 46973b0..72cde1a 100644
--- a/drivers/usb/host/ehci-mx5.c
+++ b/drivers/usb/host/ehci-mx5.c
@@ -151,11 +151,11 @@
 			v = __raw_readl(usbother_base +
 					MXC_USB_PHY_CTR_FUNC_OFFSET);
 			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
-				/* OC/USBPWR is not used */
-				v |= MXC_OTG_PHYCTRL_OC_DIS_BIT;
-			else
 				/* OC/USBPWR is used */
 				v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT;
+			else
+				/* OC/USBPWR is not used */
+				v |= MXC_OTG_PHYCTRL_OC_DIS_BIT;
 			__raw_writel(v, usbother_base +
 					MXC_USB_PHY_CTR_FUNC_OFFSET);