spusched: fix mismerge in spufs.h

spufs.h now has two enums for the sched_flags leading to identical
values for SPU_SCHED_WAS_ACTIVE and SPU_SCHED_NOTIFY_ACTIVE. Merge
them into a single enum as they were in the IBM development tree.

Signed-off-by: Christoph Hellwig <[e-mail]>
Acked-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/powerpc/platforms/cell/spufs/spufs.h

···
 struct spu_context_ops;
 struct spu_gang;
 
-enum {
-	SPU_SCHED_WAS_ACTIVE,	/* was active upon spu_acquire_saved()  */
-};
-
 /* ctx->sched_flags */
 enum {
 	SPU_SCHED_NOTIFY_ACTIVE,
+	SPU_SCHED_WAS_ACTIVE,	/* was active upon spu_acquire_saved()  */
 };
 
 struct spu_context {