fsl-ehci probing fails on mpc5121e:
...
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller
fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1
fsl-ehci fsl-ehci.0: Could not get controller version
fsl-ehci fsl-ehci.0: can't setup
fsl-ehci fsl-ehci.0: USB bus 1 deregistered
fsl-ehci fsl-ehci.0: init fsl-ehci.0 fail, -22
fsl-ehci: probe of fsl-ehci.0 failed with error -22

Fix it by returning appropriate version info for mpc5121, too.

Signed-off-by: Anatolij Gustschin <ag...@denx.de>
---
 drivers/usb/host/fsl-mph-dr-of.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 1e77129..4450d12 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -142,6 +142,9 @@ static int usb_get_ver_info(struct device_node *np)
                        return ver;
        }
 
+       if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr"))
+               return FSL_USB_VER_OLD;
+
        if (of_device_is_compatible(np, "fsl-usb2-mph")) {
                if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
                        ver = FSL_USB_VER_1_6;
-- 
1.7.7.6

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