boards: xtensa: esp32s2_saola: Convert to v2

Converts the board to hwmv2

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

boards/espressif/esp32s2_saola/Kconfig.defconfig

@@ -3,10 +3,6 @@
 # Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
 # SPDX-License-Identifier: Apache-2.0
 
-config BOARD
-	default "esp32s2_saola"
-	depends on BOARD_ESP32S2_SAOLA
-
 config ENTROPY_GENERATOR
 	default y
 

boards/espressif/esp32s2_saola/Kconfig.esp32s2_saola

@@ -2,9 +2,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_ESP32S2_SAOLA
-	bool "ESP32S2 Saola Board"
-	depends on SOC_SERIES_ESP32S2
-
-choice SOC_PART_NUMBER
-	default SOC_ESP32S2_WROVER_N4R2
-endchoice
+	select SOC_ESP32S2_WROVER_N4R2

boards/espressif/esp32s2_saola/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: esp32s2_saola
+  vendor: espressif
+  socs:
+  - name: esp32s2

boards/espressif/esp32s2_saola/doc/index.rst

@@ -140,9 +140,9 @@ Zephyr build. Output is structured by the domain subdirectories:
 
   build/
   ├── hello_world
-  │   └── zephyr
-  │       ├── zephyr.elf
-  │       └── zephyr.bin
+  │   └── zephyr
+  │       ├── zephyr.elf
+  │       └── zephyr.bin
   ├── mcuboot
   │    └── zephyr
   │       ├── zephyr.elf

boards/espressif/esp32s2_saola/esp32s2_saola.dts

@@ -12,7 +12,7 @@
 #include <zephyr/dt-bindings/input/esp32-touch-sensor-input.h>
 
 / {
-	model = "esp32s2_saola";
+	model = "Espressif ESP32S2-Saola";
 	compatible = "espressif,esp32s2";
 
 	aliases {

boards/espressif/esp32s2_saola/esp32s2_saola_defconfig

@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_BOARD_ESP32S2_SAOLA=y
-CONFIG_SOC_SERIES_ESP32S2=y
 
 CONFIG_MAIN_STACK_SIZE=2048