QMK DFU bootloader generation (#2009)

* adds :bootloader target

* update planck and preonic revisions

* remove references to .h files for planck

* update preonic keymap

* only add keyboard.h files that exist

* add production target

* hook things up with the new lufa variables

* update rules for planck/preonic

* back backlight key turn of status led when pressed

* add manufacturer/product strings to bootloader

keyboards/planck/config.h

@@ -24,7 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define VENDOR_ID       0xFEED
 #define PRODUCT_ID      0x6060
 #define MANUFACTURER    OLKB
-#define PRODUCT         The Planck Keyboard
+#define PRODUCT         Planck
 #define DESCRIPTION     A compact ortholinear keyboard
 
 /* key matrix size */
@@ -36,6 +36,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COL_PINS { F1, F0, B0, C7, F4, F5, F6, F7, D4, D6, B4, D7 }
 #define UNUSED_PINS
 
+#define QMK_ESC_OUTPUT F1
+#define QMK_ESC_INPUT D5
+#define QMK_LED     E6
+#define QMK_SPEAKER C6
+
 #define AUDIO_VOICES
 #define C6_AUDIO