changed I2C watchdog timer implementation, as LPTMR was already used by key scanner

left/src/key_scanner.c

@@ -1,10 +1,16 @@
 #include "fsl_lptmr.h"
 #include "key_scanner.h"
 #include "main.h"
+#if KEY_USE_I2C_WATCHDOG_TIMER
+  #include "i2c_watchdog.h"
+#endif
 
 void KEY_SCANNER_HANDLER(void)
 {
     KeyMatrix_ScanRow(&keyMatrix);
+#if KEY_USE_I2C_WATCHDOG_TIMER
+    RunWatchdog();
+#endif
     LPTMR_ClearStatusFlags(KEY_SCANNER_LPTMR_BASEADDR, kLPTMR_TimerCompareFlag);
 }