PATCH: add ppca2 target

[Alan Modra]

On Wed, Sep 30, 2009 at 08:41:47PM -0500, Peter Bergner wrote:
> While submitting the associated GCC patch upstream, David asked that we
> follow the precedent from other processors (eg, 403, 405, 440, etc.) and
> use the option name "a2" rather than "ppca2".  This patch makes binutils
> use the same name "a2" as GCC.  Tested with "make check" with no testsuite
> failures.
> 
> Okay for the binutils mainline and 2.20 branch?

Fine by me.

-- 
Alan Modra
Australia Development Lab, IBM