Revert "- synchronized patches with official AVR toolchain 3.4.1.830"

This reverts commit ab7f78a4a6b0448f315db017e24209b62c772e22.

tail of buildlog:

../../../../libgcc/../gcc/libgcc2.c: In function '__mulvhi3':
../../../../libgcc/../gcc/libgcc2.c:161:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
- rebuild with ppl 1.0
- rel 5