1. Select OPI PSRAM by default.

2. Fixed pin name error in variant.cpp.
3. Added definition for RGB_BUILTIN.

Author: waiweng83

boards.txt

@@ -19100,15 +19100,15 @@ cytron_maker_feather_aiot_s3.menu.UploadMode.default=UART0 / Hardware CDC
 cytron_maker_feather_aiot_s3.menu.UploadMode.default.upload.use_1200bps_touch=false
 cytron_maker_feather_aiot_s3.menu.UploadMode.default.upload.wait_for_upload_port=false
 
+cytron_maker_feather_aiot_s3.menu.PSRAM.opi=OPI PSRAM
+cytron_maker_feather_aiot_s3.menu.PSRAM.opi.build.defines=-DBOARD_HAS_PSRAM
+cytron_maker_feather_aiot_s3.menu.PSRAM.opi.build.psram_type=opi
 cytron_maker_feather_aiot_s3.menu.PSRAM.enabled=QSPI PSRAM
 cytron_maker_feather_aiot_s3.menu.PSRAM.enabled.build.defines=-DBOARD_HAS_PSRAM
 cytron_maker_feather_aiot_s3.menu.PSRAM.enabled.build.psram_type=qspi
 cytron_maker_feather_aiot_s3.menu.PSRAM.disabled=Disabled
 cytron_maker_feather_aiot_s3.menu.PSRAM.disabled.build.defines=
 cytron_maker_feather_aiot_s3.menu.PSRAM.disabled.build.psram_type=qspi
-cytron_maker_feather_aiot_s3.menu.PSRAM.opi=OPI PSRAM
-cytron_maker_feather_aiot_s3.menu.PSRAM.opi.build.defines=-DBOARD_HAS_PSRAM
-cytron_maker_feather_aiot_s3.menu.PSRAM.opi.build.psram_type=opi
 
 cytron_maker_feather_aiot_s3.menu.PartitionScheme.tinyuf2=TinyUF2 8MB (2MB APP/3.7MB FFAT)
 cytron_maker_feather_aiot_s3.menu.PartitionScheme.tinyuf2.build.custom_bootloader=bootloader-tinyuf2

variants/cytron_maker_feather_aiot_s3/pins_arduino.h

@@ -22,6 +22,7 @@
 #define LED_BUILTIN         2
 
 #define RGB                 46      // RGB LED.
+#define RGB_BUILTIN         46
 #define NEOPIXEL            46
 
 #define VP_EN               11      // V Peripheral Enable.

variants/cytron_maker_feather_aiot_s3/variant.cpp

@@ -32,7 +32,7 @@ extern "C" {
 void initVariant(void)
 {
   // Turn on VPeripheral by default.
-  pinMode(PIN_VP_EN, OUTPUT);
-  digitalWrite(PIN_VP_EN, HIGH);
+  pinMode(VP_EN, OUTPUT);
+  digitalWrite(VP_EN, HIGH);
 }
 }