EmulatorPkg/MpService: fix wrong unsigned to signed variable transition

Because TimeoutInMicrosecsond is a unsigned value, converting it to
signed value will cause the data region changed. so this patch fix
that.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16415 6f19259b-4bc3-4df7-8a09-765794883524
EmulatorPkg/MpService: StartupAllAPs should verify processor state before setting state

if any enabled APs are not in idle state, StartupAllAPs() should return immediately,
and must not change the other idled processor state. so we checked the state before
changed them.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16416 6f19259b-4bc3-4df7-8a09-765794883524
EmulatorPkg/MpService: add enabled processor check for startupThisAP

if processor number is the one of disabled processor, startupThisAP
should return invalid prameter.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16417 6f19259b-4bc3-4df7-8a09-765794883524