All the prerequisites are there now, so we can move sirf into multiplatform.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

The new style ll_debug implementation for multiplatform requires the
platform glue to be in include/debug, so let's move it there to
separate the debugging logic from the platform code.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Tested-by: NBarry Song <Baohua.Song@csr.com>

Signed-off-by: NBarry Song <baohua.song@csr.com>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>