test: add LOGL_FORCE_DEBUG flags support in log tests

Add a check of the _log function with LOGL_FORCE_DEBUG flags,
used to force the trace display.

The trace should be displayed for all the level when flags
have LOGL_FORCE_DEBUG bit is set, for any filter.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed