* mkx86reg.pp updated to support i8086

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25599 3ad0048d-3df7-0310-abae-a5850022a9f2
* make insdatx86 now also updates the i8086 reg files

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25600 3ad0048d-3df7-0310-abae-a5850022a9f2