Fix xcode tool chain assembly issue. 
Fix xcode tool chain assembly issue. 

Contributed-under: TianoCore Contribution Agrement 1.0
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
signed-off-by: Andrew Fish <afish@apple.com>



git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@14078 6f19259b-4bc3-4df7-8a09-765794883524

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