drivers: clock_control of the stm32l0x or stm32l1x devices

Fix register bit field when clock source is MSI
on the stm32L0x or stm32L1x mcus
Use RCC_CR_MSIRGSEL bit field instead of not soc stm32wbx serie
That bit of the RCC CR is common to several stm32 mcus

Signed-off-by: Francois Ramu <francois.ramu@st.com>
1 file changed