add esp32-p4 to NimBLE examples (#315)

* Add environment configuration for esp32p4

* Remove custom components from platformio.ini

Removed unnecessary custom components from the configuration.

Author: Jason2866

examples/arduino-NimBLE-ext_client/platformio.ini

@@ -13,8 +13,6 @@ platform = espressif32
 framework = arduino
 monitor_speed = 115200
 custom_component_remove =
-    espressif/esp_hosted
-    espressif/esp_wifi_remote
     espressif/esp-dsp
     espressif/network_provisioning
     espressif/esp_rainmaker
@@ -40,5 +38,8 @@ board = esp32-c3-devkitm-1
 [env:esp32c6]
 board = esp32-c6-devkitm-1
 
+[env:esp32p4]
+board = esp32-p4-evboard
+
 [env:esp32h2]
 board = esp32-h2-devkitm-1