[PATCH] Remove powerpc specific parts of 3c509 driver

On powerpc and ppc, insl_ns and insl are identical as are outsl_ns and
outsl, so remove the conditional use of insl_ns and outsl_ns.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>