soc/fsl/qman: Sleep instead of stuck hacking jiffies

Use msleep() instead of stucking with long delay will be more efficient.

Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Li Yang <leoyang.li@nxp.com>