MdeModulePkg/Ufs: Wait fDeviceInit be cleared by devices during init

MdeModulePkg/Ufs: Wait fDeviceInit be cleared by devices during init

In the origin codes, the host sets the fDeviceInit flag to initiate device
initialization, but does not check whether the device resets this flag
to indicate the device initialization is completed.

Details can be referred at UFS 2.0 Spec Section 14.2 - Flags.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Mateusz Albecki <mateusz.albecki@intel.com>
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>