Merge changes from topic "st_fixes" into integration

* changes:
  fix(stm32_console): do not skip init for crash console
  fix(plat/st): add UART reset in crash console init
  refactor(stm32mp1_clk): update RCC registers file
  fix(stm32mp1_clk): keep RTCAPB clock always on
  fix(stm32mp1_clk): fix RTC clock rating
  fix(stm32mp1_clk): correctly manage RTC clock source
  fix(spi_nand): check correct manufacturer id
  fix(spi_nand): check that parameters have been set