[patch] take 2: fix configure for powerpc altivec and spe

[Jeff Johnston]

Thanks Janis.  Patch checked in.

-- Jeff J.

----- Original Message -----
From: "Janis Johnson" <janis_johnson@mentor.com>
To: newlib@sourceware.org
Sent: Tuesday, July 16, 2013 5:15:53 PM
Subject: [patch] take 2: fix configure for powerpc altivec and spe

Here's an updated patch that uses "lib_a-" in the object file names,
including the objects for which rules are generated.  Tested with builds
for powerpc-none-eabi, powerpc-none-eabialtivec, and powerpc-none-eabispe
from i686-pc-linux-gnu.

Janis