SimicsOpenBoardPkg: Change Build Output Directory

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2250



Changed BoardX58Ich10's build directory to
Build/SimicsOpenBoardPkg/BoardX58Ich10 to align it with
the other Intel board packages.

Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Michael Kubacki <michael.a.kubacki@intel.com>
Signed-off-by: Prince Agyeman <prince.agyeman@intel.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
Reviewed-by: Michael Kubacki <michael.a.kubacki@intel.com>