Adding SH support to glibc-2.2

[Ulrich Drepper]

kaz Kojima <kkojima@rr.iij4u.or.jp> writes:

> I tend to start with 2.2. Can you please do it so?

I assume this is OK with Niibe-san.

In this case quite some code in the linux/sh directory can change as
well.

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