The Key Company project consolidation (#9547)

* Consolidate TKC projects and increase VIA keymap count to 4.

* Updated readme files.

* Removed config.h via limitation of 2 dynamic keymaps

* Reduce dynamic keymaps from 4 to 3 due to EEPROM space limitations.

* Update dynamic_keymap.c

* Restore 4 dynamic keymaps for VIA in TKC projects.

* Update quantum/dynamic_keymap.c

keyboards/tkc/tkc1800/rules.mk

@@ -0,0 +1,33 @@
+# MCU name
+MCU = at90usb1286
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = qmk-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+
+BOOTMAGIC_ENABLE = lite      # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # 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 = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality on B7 by default
+RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
+MIDI_ENABLE = no            # MIDI controls
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+OLED_DRIVER_ENABLE = yes