Update EDKII BuildNotes to say the default tool chain tag is VS2008 instead of VS2005

Signed-off-by: lgao4
Reviewed-by: erictian

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12856 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed