update M5Camera pins (espressif#4021)

* change m5camera pins

* add M5Camera version B pins

* add M5Camera version B pins

Author: Gitshaoxiang

Diff for: libraries/ESP32/examples/Camera/CameraWebServer/CameraWebServer.ino

@@ -11,6 +11,7 @@
 #define CAMERA_MODEL_WROVER_KIT // Has PSRAM
 //#define CAMERA_MODEL_ESP_EYE // Has PSRAM
 //#define CAMERA_MODEL_M5STACK_PSRAM // Has PSRAM
+//#define CAMERA_MODEL_M5STACK_V2_PSRAM // M5Camera version B Has PSRAM
 //#define CAMERA_MODEL_M5STACK_WIDE	// Has PSRAM
 //#define CAMERA_MODEL_AI_THINKER // Has PSRAM
 //#define CAMERA_MODEL_TTGO_T_JOURNAL // No PSRAM

Diff for: libraries/ESP32/examples/Camera/CameraWebServer/camera_pins.h

@@ -56,6 +56,25 @@
 #define HREF_GPIO_NUM     26
 #define PCLK_GPIO_NUM     21
 
+#elif defined(CAMERA_MODEL_M5STACK_V2_PSRAM)
+#define PWDN_GPIO_NUM     -1
+#define RESET_GPIO_NUM    15
+#define XCLK_GPIO_NUM     27
+#define SIOD_GPIO_NUM     22
+#define SIOC_GPIO_NUM     23
+
+#define Y9_GPIO_NUM       19
+#define Y8_GPIO_NUM       36
+#define Y7_GPIO_NUM       18
+#define Y6_GPIO_NUM       39
+#define Y5_GPIO_NUM        5
+#define Y4_GPIO_NUM       34
+#define Y3_GPIO_NUM       35
+#define Y2_GPIO_NUM       32
+#define VSYNC_GPIO_NUM    25
+#define HREF_GPIO_NUM     26
+#define PCLK_GPIO_NUM     21
+
 #elif defined(CAMERA_MODEL_M5STACK_WIDE)
 #define PWDN_GPIO_NUM     -1
 #define RESET_GPIO_NUM    15