arch: arm: stm32, stm32f0l0g0, stm32h7, stm32l4, stm32l5: Fix typos.
arch/arm/src/stm32/stm32_foc.c,
arch/arm/src/stm32f0l0g0/hardware/stm32_adc.h,
arch/arm/src/stm32h7/stm32_allocateheap.c,
arch/arm/src/stm32h7/stm32_fmc.c,
arch/arm/src/stm32h7/stm32_pmstandby.c,
arch/arm/src/stm32h7/stm32_spi.h,
arch/arm/src/stm32h7/stm32_spi_slave.c,
arch/arm/src/stm32h7/stm32_wwdg.c,
arch/arm/src/stm32l4/stm32l4_adc.h,
arch/arm/src/stm32l5/hardware/stm32l562xx_rcc.h,
arch/arm/src/stm32l5/stm32l5_gpio.c,
arch/arm/src/stm32l5/stm32l5_gpio.h,
arch/arm/src/stm32l5/stm32l5_irq.c,
arch/arm/src/stm32l5/stm32l5_rcc.c,
arch/arm/src/stm32l5/stm32l5_rcc.h,
arch/arm/src/stm32l5/stm32l5_serial.c, and
arch/arm/src/stm32l5/stm32l5_spi.c:
* Fix typos in comments. No functional changes.
f617c27a8c