Move generic libgomp files from nvptx to accel

Move generic libgomp files from nvptx to accel

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>

	libgomp/
	* configure.tgt (nvptx*-*-*): Add "accel" directory.
	* config/nvptx/libgomp-plugin.c: Move ...
	* config/accel/libgomp-plugin.c: ... to here.
	* config/nvptx/lock.c: Move ...
	* config/accel/lock.c: ... to here.
	* config/nvptx/mutex.c: Move ...
	* config/accel/mutex.c: ... to here.
	* config/nvptx/mutex.h: Move ...
	* config/accel/mutex.h: ... to here.
	* config/nvptx/oacc-async.c: Move ...
	* config/accel/oacc-async.c: ... to here.
	* config/nvptx/oacc-cuda.c: Move ...
	* config/accel/oacc-cuda.c: ... to here.
	* config/nvptx/oacc-host.c: Move ...
	* config/accel/oacc-host.c: ... to here.
	* config/nvptx/oacc-init.c: Move ...
	* config/accel/oacc-init.c: ... to here.
	* config/nvptx/oacc-mem.c: Move ...
	* config/accel/oacc-mem.c: ... to here.
	* config/nvptx/oacc-plugin.c: Move ...
	* config/accel/oacc-plugin.c: ... to here.
	* config/nvptx/omp-lock.h: Move ...
	* config/accel/omp-lock.h: ... to here.
	* config/nvptx/openacc.f90: Move ...
	* config/accel/openacc.f90: ... to here.
	* config/nvptx/pool.h: Move ...
	* config/accel/pool.h: ... to here.
	* config/nvptx/proc.c: Move ...
	* config/accel/proc.c: ... to here.
	* config/nvptx/ptrlock.c: Move ...
	* config/accel/ptrlock.c: ... to here.
	* config/nvptx/ptrlock.h: Move ...
	* config/accel/ptrlock.h: ... to here.
	* config/nvptx/sem.c: Move ...
	* config/accel/sem.c: ... to here.
	* config/nvptx/sem.h: Move ...
	* config/accel/sem.h: ... to here.
	* config/nvptx/thread-stacksize.h: Move ...
	* config/accel/thread-stacksize.h: ... to here.

From-SVN: r278132