Fix error_log complaint about Big Series boards (#9510)

keyboards/bigseries/1key/info.json

@@ -1,12 +1,14 @@
 {
-  "keyboard_name": "Big Series 1-Key",
-  "url": "",
-  "maintainer": "qmk",
-  "width": 4,
-  "height": 4,
-  "layouts": {
-    "LAYOUT": {
-      "layout": [{"x":0, "y":0, "w":4, "h":4}]
+    "keyboard_name": "Big Series 1-Key",
+    "url": "",
+    "maintainer": "qmk",
+    "width": 4,
+    "height": 4,
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"x": 0, "y": 0, "w": 4, "h": 4}
+            ]
+        }
     }
-  }
 }

keyboards/bigseries/1key/rules.mk

@@ -1 +1,31 @@
-# Dummy file to make the QMK build system happy
+# MCU name
+MCU = atmega32u2
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # Console for debug
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches