Fix sparc semaphore implementation after recent changes.

Fix sparc semaphore implementation after recent changes.

	* sysdeps/sparc/nptl/sem_init.c: Delete.
	* sysdeps/sparc/nptl/sem_post.c: Delete.
	* sysdeps/sparc/nptl/sem_timedwait.c: Delete.
	* sysdeps/sparc/nptl/sem_wait.c: Delete.
	* sysdeps/sparc/sparc32/sem_init.c: New file.
	* sysdeps/sparc/sparc32/sem_waitcommon.c: New file.
	* sysdeps/sparc/sparc32/sem_open.c: Generic nptl version with
	padding explicitly initialized.
	* sysdeps/sparc/sparc32/sem_post.c: Generic nptl version using
	padding for in-semaphore spinlock.
	* sysdeps/sparc/sparc32/sem_wait.c: Likewise.
	* sysdeps/sparc/sparc32/sem_trywait.c: Delete.
	* sysdeps/sparc/sparc32/sem_timedwait.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/sem_init.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/sem_open.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/sem_post.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/sem_waitcommon.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/sem_wait.c: Redirect to nptl
	version.
	* sysdeps/sparc/sparc32/sparcv9/sem_timedwait.c: Delete.
	* sysdeps/sparc/sparc32/sparcv9/sem_trywait.c: Delete.