Add patch with fixes for -fno-exceptions in libsuppc++.

The original patch in the gcc mainline tree was written by
Benjamin Kosnik  <bkoz@redhat.com> at 2009-09-28. The patch
can be found at the SHA1 b66f4546f26d22917c3642862a390b485ae5f9b7.
Merge branch 'master' of https://github.com/denravonska/avr32-toolchain

Conflicts:
	Makefile