CA66 Backlighting FIx (#3089)

* Enable backlighting using pin F0 and changing it in the rules.mk file as well

* Change KB_H to CA66_H

keyboards/ca66/ca66.h

@@ -1,5 +1,5 @@
-#ifndef KB_H
-#define KB_H
+#ifndef CA66_H
+#define CA66_H
 
 #include "quantum.h"
 

keyboards/ca66/config.h

@@ -25,9 +25,8 @@
 
 /* number of backlight levels */
 
-#ifdef BACKLIGHT_PIN
+#define BACKLIGHT_PIN F0
 #define BACKLIGHT_LEVELS 3
-#endif
 
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5

keyboards/ca66/rules.mk

@@ -51,6 +51,6 @@ CONSOLE_ENABLE ?= no	# Console for debug(+400)
 COMMAND_ENABLE ?= no    # Commands for debug and configuration
 SLEEP_LED_ENABLE ?= no  # Breathing sleep LED during USB suspend
 NKRO_ENABLE ?= yes		# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-BACKLIGHT_ENABLE ?= no  # Enable keyboard backlight functionality
+BACKLIGHT_ENABLE ?= yes  # Enable keyboard backlight functionality
 AUDIO_ENABLE ?= no
 RGBLIGHT_ENABLE ?= yes