Update to hg 3220:2685dfa9de14
hg 3231:86a8d1d467c8
Temp patch: Split gcc from cc

Conflicts:
	config/cc/gcc.in
Merge branch '3231' into cctools-llvm

Conflicts:
	config/binutils.in
	config/cc/gcc.in
	config/companion_libs/mpfr.in
	config/debug/gdb.in
	config/kernel.in
	config/kernel/linux.in
	config/libc/eglibc.in
	config/libc/glibc.in
	config/libc/uClibc.in
	docs/ct-ng.1.in
	kconfig/kconfig.mk
	scripts/build/cc/gcc.sh
	scripts/build/companion_libs/121-isl.sh
	scripts/build/debug/300-gdb.sh
	scripts/build/libc/newlib.sh
	scripts/build/test_suite/gcc.sh
Fix incorrect references to CT_CC_V
Add version 2.0.8 of mingw-w64