[PATCH] prism54 : WE-17 support

	My patch that adds WE-17 support to the Prism54 driver went
already in the kernel, except for a tiny bit that was dropped on the
way. This is the missing bit....
	Tested with 2.6.13 (with real HW).

Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>