Merge topic 'adsp-on-linux'

33e6862cbc ADSP: Allow progress with CMAKE_ADSP_ROOT unset
85e25451af ADSP: Add /opt/analog/cces to  _find_adsp_root()'s search space
04d8a39e5c ADSP: Use find_program() to get path to cc21k/ccblkfn
7883178cae ADSP: Use $CMAKE_EXECUTABLE_SUFFIX in COMPILER_NAME

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9016