Update SimpleFileSystem.h to add the asynchronous File IO API definition.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14818 6f19259b-4bc3-4df7-8a09-765794883524
MdeMdeModulePkg/UsbBusDxe: If DisconnectController() returns an error the USB Bus Driver would retry the DisconnectController() from a timer event until it succeeds

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14819 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg Pool: Update the type of Size to UINTN for the potential more than 4GB buffer allocation.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14820 6f19259b-4bc3-4df7-8a09-765794883524