Don't require NASM for simple edk2 Xcode projects. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Andrew Fish <afish@apple.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18766 6f19259b-4bc3-4df7-8a09-765794883524