Enable UEFI firmware to support FMP capsule format.

signed-off-by : Chao Zhang <chao.b.zhang@intel.com>
reviewed-by   : Gao Liming <liming.gao@intel.com>
reviewed-by   : Yao Jiewen <Jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14773 6f19259b-4bc3-4df7-8a09-765794883524
Clean the garbage space for the statements nest in subtitle menu.

Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14774 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg/XhciDxe: Usb legacy support feature is optional. For those usb 3.0 devices which doesn’t support this feature, should directly return and not touch corresponding registers

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
Signed-off-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by:   Li, Elvin <elvin.li@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14776 6f19259b-4bc3-4df7-8a09-765794883524