* fixes feature defines after recent changes

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28743 3ad0048d-3df7-0310-abae-a5850022a9f2
* fix assignintreg on avr

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28744 3ad0048d-3df7-0310-abae-a5850022a9f2
* improve spilling_get_operation_type for avr

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28745 3ad0048d-3df7-0310-abae-a5850022a9f2