usb: chipidea: imx: fix missing ret assignment for dev_err_probe

Assign the return value of dev_err_probe() to ret so that the correct
error code is propagated when goto err_clk is taken.

Fixes: 2e9762f45efb ("usb: chipidea: ci_hdrc_imx: use "wakeup" suffix for wakeup interrupt name")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202607031656.FR3Xrved-lkp@intel.com/
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://patch.msgid.link/20260710070834.2744357-1-xu.yang_2@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>