Ported from stm32f7/h7: If configured this way, ramp-up the LSE crystal oscillator driving strength until the LSE starts up. Signed-off-by: Michael Jung <mijung@gmx.net>
Ported from stm32f7/h7: If configured this way, ramp-up the LSE crystal oscillator driving strength until the LSE starts up. Signed-off-by: Michael Jung <mijung@gmx.net>