Remove long deprecated tilegx and tilepro ports

/
	* MAINTAINERS: Remove tilegx and tilepro entries.
	* configure.ac: Remove tilegx and tilepro stanzas.
	* configure: Rebuilt.

contrib/
	* config-list.mk: Remove tilegx and tilepro entries.
	* gcc_update: Remove tilegx and tilepro entries.

gcc/
	* common/config/tilegx/tilegx-common.cc: Removed.
	* common/config/tilepro/tilepro-common.cc: Removed.
	* config.gcc: Remove tilegx and tilepro entries.
	* config/tilegx/constraints.md: Removed.
	* config/tilegx/feedback.h: Removed.
	* config/tilegx/linux.h: Removed.
	* config/tilegx/mul-tables.cc: Removed.
	* config/tilegx/predicates.md: Removed.
	* config/tilegx/sync.md: Removed.
	* config/tilegx/t-tilegx: Removed.
	* config/tilegx/tilegx-builtins.h: Removed.
	* config/tilegx/tilegx-c.cc: Removed.
	* config/tilegx/tilegx-generic.md: Removed.
	* config/tilegx/tilegx-modes.def: Removed.
	* config/tilegx/tilegx-multiply.h: Removed.
	* config/tilegx/tilegx-opts.h: Removed.
	* config/tilegx/tilegx-protos.h: Removed.
	* config/tilegx/tilegx.cc: Removed.
	* config/tilegx/tilegx.h: Removed.
	* config/tilegx/tilegx.md: Removed.
	* config/tilegx/tilegx.opt: Removed.
	* config/tilepro/constraints.md: Removed.
	* config/tilepro/feedback.h: Removed.
	* config/tilepro/gen-mul-tables.cc: Removed.
	* config/tilepro/linux.h: Removed.
	* config/tilepro/mul-tables.cc: Removed.
	* config/tilepro/predicates.md: Removed.
	* config/tilepro/t-tilepro: Removed.
	* config/tilepro/tilepro-builtins.h: Removed.
	* config/tilepro/tilepro-c.cc: Removed.
	* config/tilepro/tilepro-generic.md: Removed.
	* config/tilepro/tilepro-modes.def: Removed.
	* config/tilepro/tilepro-multiply.h: Removed.
	* config/tilepro/tilepro-protos.h: Removed.
	* config/tilepro/tilepro.cc: Removed.
	* config/tilepro/tilepro.h: Removed.
	* config/tilepro/tilepro.md: Removed.
	* config/tilepro/tilepro.opt: Removed.
	* configure.ac: Remove tilegx and tilepro entries.
	* configure: Rebuilt.
	* doc/extend.texi: Remove tilegx and tilepro entries.
	* doc/install.texi: Remove tilegx and tilepro entries.
	* doc/invoke.texi: Remove tilegx and tilepro entries.
	* doc/md.texi: Remove tilegx and tilepro entries.

gcc/testsuite/
	* gcc.dg/lower-subreg-1.c: Remove tilegx and tilepro entries.
	* gcc.misc-tests/linkage.exp: Remove tilegx and
	tilepro entries.

libgcc/
	* config.host: Removed tilegx and tilepro entries.
	* config/tilegx/sfp-machine.h: Removed.
	* config/tilegx/sfp-machine32.h: Removed.
	* config/tilegx/sfp-machine64.h: Removed.
	* config/tilegx/t-crtstuff: Removed.
	* config/tilegx/t-softfp: Removed.
	* config/tilegx/t-tilegx: Removed.
	* config/tilepro/atomic.c: Removed.
	* config/tilepro/atomic.h: Removed.
	* config/tilepro/linux-unwind.h: Removed.
	* config/tilepro/sfp-machine.h: Removed.
	* config/tilepro/softdivide.c: Removed.
	* config/tilepro/softmpy.S: Removed.
	* config/tilepro/t-crtstuff: Removed.
	* config/tilepro/t-tilepro: Removed.