Correct the incorrect License in EDKII source files.
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Hess Chen (hesheng.chen@intel.com)

git-svn-id: https://edk2-buildtools.svn.sourceforge.net/svnroot/edk2-buildtools/trunk/BaseTools@2582 c2973edb-eda0-4c78-bc6a-9341b269661f