Angus Gratton 2c62adb42c stm32/powerctrlboot: Support STM32WL system clock from HSE+PLL.
Switches default on the NUCLEO_WL55 board to use the HSE oscillator powered
from PB0_VDDTCXO pin.

Build-time configuration can select from MSI internal oscillator (previous
default), HSE via crystal, or HSE bypass with TCXO powered from PB0_VDDTCXO
pin (new default)

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2023-08-23 11:58:11 +10:00
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