fixed BusPal Bootloader (https://github.com/UltimateHackingKeyboard/firmware/issues/44)

left/src/main.c

@@ -1,6 +1,7 @@
 #include "main.h"
 #include "init_clock.h"
 #include "init_peripherals.h"
+#include "bootloader.h"
 
 key_matrix_t keyMatrix = {
     .colNum = KEYBOARD_MATRIX_COLS_NUM,
@@ -25,12 +26,18 @@ key_matrix_t keyMatrix = {
 
 volatile bool DisableKeyMatrixScanState;
 
+#define ALWAYS_ENTER_BOOTLOADER   (0)
+  /*! set to 1 for easier bootloader debugging. With this, the KL03 always enters bootloader mode after reset */
+
 int main(void)
 {
     InitClock();
     InitPeripherals();
     KeyMatrix_Init(&keyMatrix);
 
+#if ALWAYS_ENTER_BOOTLOADER
+    JumpToBootloader(); /* << EST: \todo Temporary only */
+#endif
     while (1) {
         if (!DisableKeyMatrixScanState) {
             KeyMatrix_Scan(&keyMatrix);