fix(doc): Update boards.rst (espressif#9925)

Fixes documentation for ESP32 family. Arduino Core 3.0.x has 6 supported SoC and each has a different radio specification.

Author: SuGlider

docs/en/boards/boards.rst

@@ -17,13 +17,17 @@ One important information that usually bring about some confusion is regarding t
 The ESP32 is divided by family:
 
 * ESP32
-    * Wi-Fi and BLE
-* ESP32-S
+    * Wi-Fi, BT and BLE 4
+* ESP32-S2
     * Wi-Fi only
-* ESP32-C
+* ESP32-S3
     * Wi-Fi and BLE 5
-* ESP32-H
-    * BLE and IEEE 802.15.4
+* ESP32-C3
+    * Wi-Fi and BLE 5
+* ESP32-C6
+    * Wi-Fi, BLE 5 and IEEE 802.15.4
+* ESP32-H2
+    * BLE 5 and IEEE 802.15.4
 
 For each family, we have SoC variants with some differentiation. The differences are more about the embedded flash and its size and the number of the cores (dual or single).