Main change is possibility the log cache locking functions will
be called before the scheduler has started.
This change doesn't change the behaviour of ESP_EARLY_LOGx, this is
done in the following commit.
Closes https://github.com/espressif/esp-idf/issues/5542
* Target components pull in xtensa component directly
* Use CPU HAL where applicable
* Remove unnecessary xtensa headers
* Compilation changes necessary to support non-xtensa gcc types (ie int32_t/uint32_t is no
longer signed/unsigned int).
Changes come from internal branch commit a6723fc
