xtensa: add support for the xtensa processor architecture [2/2]The Xtensa processor architecture is a configurable, extensible,and synthesizable 32-bit RISC processor core provided by Tensilica, i
xtensa: add support for the xtensa processor architecture [2/2]The Xtensa processor architecture is a configurable, extensible,and synthesizable 32-bit RISC processor core provided by Tensilica, inc.This is the second part of the basic architecture port, adding the'arch/xtensa' directory and a readme file.Signed-off-by: Chris Zankel <chris@zankel.net>Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>Reviewed-by: Simon Glass <sjg@chromium.org>Reviewed-by: Tom Rini <trini@konsulko.com>
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