[Bug target/17822] [3.4 only] avr: Hard-coded XXX_FOR_TARGET

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |3.4.4 4.0.1 4.1.0
   Target Milestone|---                         |3.4.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17822