dts: xtensa: esp32xx rework soc/sip list

Introduce dtsi files representing the
current portfolio of chips and modules
based on the followint criteria:

- flash size
- psram size
- gpio count
- certification status

Update the boards dts files according
to which SOC/SIP they are using.

Signed-off-by: Marek Matej <marek.matej@espressif.com>