Allow the DSP extension to be disabled via a CPU property for
M-profile CPUs. (A and R-profile CPUs don't have this extension
as a defined separate optional architecture extension, so
they don't need the property.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190517174046.11146-3-peter.maydell@linaro.org