This path allows to set the cntfrq register of targeted cpu. Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Acked-by: Patrice Chotard <patrice.chotard@st.com>