Uniformize STMicroelectronics copyrights header
Add SPDX identifier
Signed-off-by: NBenjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: NAlexandre TORGUE <alexandre.torgue@st.com>
CC: Gabriel Fernandez <gabriel.fernandez@st.com>
Reviewed-by: NPhilippe Ombredanne <pombredanne@nexb.com>
Acked-by: NGabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>