[MIPS] Fix RM9000 wait instruction detection.

Only revisions < 4.0 don't have a functional wait instruction.

From Thomas Koeller (Thomas.Koeller@baslerweb.com).

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2006-06-02 11:48:11 +01:00
commit 441ee341ad