following many users requests - allow sandy bridge configuration even when AVX is not compiled in, just disable AVX in it

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12360 6c8e4198-a580-4521-a02f-c9ae86df1db9
add seabios readme file with credits, links and licence

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12361 6c8e4198-a580-4521-a02f-c9ae86df1db9
add seabios readme file with credits, links and licence

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@12362 6c8e4198-a580-4521-a02f-c9ae86df1db9