b79a64d26e
Refer to Uefi spec 2.10 section 12.3.3, Add a new retval EFI_UNSUPPORTED to EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.ReadKeyStrokeEx and EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke(). Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Zhichao Gao <zhichao.gao@intel.com> Cc: Chao Li <lichao@loongson.cn> Signed-off-by: Qingyu <qingyu.shang@intel.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>