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/candybar/lefty/rules.mk

@@ -0,0 +1,24 @@
+# MCU name
+MCU = STM32F072
+
+# Build Options
+#   comment out to disable the options.
+#
+# EXTRAFLAGS+=-flto
+LINK_TIME_OPTIMIZATION_ENABLE = yes
+BACKLIGHT_ENABLE = no
+BOOTMAGIC_ENABLE = lite  # Virtual DIP switch configuration
+## (Note that for BOOTMAGIC on Teensy LC you have to use a custom .ld script.)
+MOUSEKEY_ENABLE = no # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = no  # Console for debug
+COMMAND_ENABLE = no    # Commands for debug and configuration
+SLEEP_LED_ENABLE = no  # Breathing sleep LED during USB suspend
+NKRO_ENABLE = yes     # USB Nkey Rollover
+AUDIO_ENABLE = no
+RGBLIGHT_ENABLE = no
+SERIAL_LINK_ENABLE = no
+
+
+# Enter lower-power sleep mode when on the ChibiOS idle thread
+OPT_DEFS += -DCORTEX_ENABLE_WFI_IDLE=TRUE