feat(cache): refactor cache framework and add new APIs

[W-Mai]

Description of the feature or fix

Refactor cache framework and add new APIs:

void lv_cache_reserve(lv_cache_t * cache, uint32_t reserved_size, void * user_data);
bool lv_cache_evict_one(lv_cache_t * cache, void * user_data);

• reserve is aim to ensure cache will reserve size space.
• evict is aim to evict one cache manually by with cache's aging algorithm.

CACHE's DOCS AND COMMENTS ARE IN PROGRESS

Notes

• Update the Documentation if needed.
• Add Examples if relevant.
• Add Tests if applicable.
• If you added new options to lv_conf_template.h run lv_conf_internal_gen.py and update Kconfig.
• Run scripts/code-format.py (astyle needs to be installed) and follow the Code Conventions
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