Move MWDT retention descriptors out of esp_hal_wdt and into esp_system
so the backup policy lives with the watchdog users, while keeping the
per-chip retention sources under the existing port/soc target
directories.
The ROM patch for chips missing clock source configuration in wdt_hal_init
was re-implementing the full function in IRAM. Instead, delegate to the ROM
version and only append the missing clock configuration afterwards, saving
~550 bytes of IRAM.
No further actions for this JIRA ticket are pending. The neccessary test
cases have already been added to verify some additional functionalities.
Hence, removing the TODO reference from code for internal JIRA ticket.
- Remove GPTIMER and TIMG related definitions from soc_caps_full.h files
- Move timer peripheral definitions to appropriate HAL layer files
- Update references across components to use proper HAL abstractions
- Consolidate timer group and GPTIMER capabilities organization
- Ensure consistent timer configuration across all ESP32 variants
This refactoring improves the separation of concerns between SOC
capabilities and HAL implementations for timer-related functionality.