Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wb/STM32WB10_CM4/RCC/C2APB2ENR#0x0
CPU2 APB2ENR
CPU2 TIM1 timer clock enable
CPU2 SPI1 clock enable
CPU2 USART1clock enable
CPU2 TIM16 timer clock enable
CPU2 TIM17 timer clock enable
CPU2 SAI1 clock enable
https://github.com/modm-io/cmsis-svd-stm32