Update the relevant tests in basicmath to use the dsp subsystem. Note that f16 is not updated since it's much more architecture specific and did not become a part of zdsp. Signed-off-by: Yuval Peress <peress@google.com>
Move the tests to tests/subsys/dsp/ as they'll be a part of the Zephyr dsp subsystem. Signed-off-by: Yuval Peress <peress@google.com>