BoardModulePkg/BoardBdsHookLib: Fix mSetupOptionNumber check
If CreateFvBootOption() fails, RegisterFvBootOption() will return
LoadOptionNumberUnassigned, which is non-zero. Therefore, correct the
check when attempting to register hotkeys, to be able to detect if UiApp
is not present.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>