[RFR]: 8186723: Add SuperH as new architecture for linux

[John Paul Adrian Glaubitz]

Hello!

Please review the following changeset which adds SuperH as a new
architecture for linux [1]. This change is required to be able to
build linux-zero on SuperH running Linux.

Thanks,
Adrian

> [1] http://cr.openjdk.java.net/~glaubitz/8186723/webrev.01/

-- 
  .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz at debian.org
`. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
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