nanohub: drivers/st_mag40: sync with mag cal changes

Align to initMagCal signature changes to fix compilation
issues.

Test: Built w and w/o DIVERSITY_CHECK_ENABLED and verified the
mag bias with nanotool on stshv40 variant.
Change-Id: Ibae8bd62e7e3667298444a4f4e39406d1d6ac07f
Signed-off-by: Armando Visconti <armando.visconti@st.com>
1 file changed