MdeModulePkg/SdMmcPciHc: Reset the slot when sd device is connected
MdeModulePkg/SdMmcPciHc: Reset the slot when sd device is connected

The original code doesn't reset the slot when there is device change.
It may bring issue on device identification procedure of some SD cards.

Cc: Hao Wu <f387b71200577e27ccf5abb090fda0ddd187ec6e@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <e66bb7e9f36c82a029035c5885acf75500d07e68@Intel.com>
Reviewed-by: Hao Wu <f387b71200577e27ccf5abb090fda0ddd187ec6e@intel.com>

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2