feat: add STM32H7RS HAL/LL and CMSIS devices

[fpistm]

This PR introduces the STM32H7RS series part of the STM32H7 in the core.

From STM32CubeH7RS v1.3.0
Add HAL from version 1.2.1
Add CMSIS from version 1.2.1

It also add all generated STM32H7RSxx generic variant files and some quick update.
Thanks this a blink was performed on a Nucleo H7S3L8.
Blink sketch used to build generic target with all HAL disabled and LED_BUILTIN set as PD10:

#define HAL_ADC_MODULE_DISABLED
#define HAL_DAC_MODULE_DISABLED
#define HAL_CRC_MODULE_DISABLED
#define HAL_ICACHE_MODULE_DISABLED
#define HAL_RTC_MODULE_DISABLED
#define HAL_SPI_MODULE_DISABLED
#define HAL_TIM_MODULE_DISABLED
#define HAL_EXTI_MODULE_DISABLED
#define HAL_I2C_MODULE_DISABLED
#define HAL_RADIO_MODULE_DISABLED
#define HAL_RADIO_TIMER_MODULE_DISABLED

Required by #2829