MdeModulePkg UiApp: Add "Enter Setup" status code.
MdeModulePkg UiApp: Add "Enter Setup" status code.

The original BdsDxe driver has "Enter Setup" status code
while current code not. This patch restores it.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <fa9eeec52367040ac98013bc4b2913db170588f8@intel.com>
Reviewed-by: Liming Gao <6480311aeeb4b006862f6d13ebabddc03f51e507@intel.com>

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