[Patch libgloss] : Accept "arm*" instead of "arm" in libgloss

[Bin Cheng]

Hi,
This patch accepts "arm*" instead of just "arm" in target spec in
libgloss(newlib part is ok), 
which supports building newlib/libgloss for armeb-* target.

Tested by building armeb-none-eabi target.
Is it OK?

Thanks

2012-03-02  Bin Cheng  <bin.cheng@arm.com>

	* configure.in: Accept "arm*" target spec instead of just "arm".
	* configure: Regenerated.
	* libnosys/configure.in: Accept "arm*" target spec instead of just
"arm".
	* libnosys/configure: Regenerated.
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