peripheral enable/disable usually should be managed by driver itself,
so make it as espressif private APIs, not recommended for user to use it
in application code.
However, if user want to re-write the driver or ports to other platform,
this is still possible by including the header in this way:
"esp_private/peripheral_ctrl.h"
* Functions for setting and clearing interrupts
as well as function to read interrupt mask
should be clearer now.
* Using hal layer interrupt set and clear
functions in esp_wifi component
- Simplify PHY access API
- Move coexist initializing and deinitializing out from PHY API
to Wi-Fi and Bluetooth
- Remove coexist pause and resume for they are no longer needed.
