Fix typo+basic power management

right/src/main.c

@@ -9,5 +9,7 @@ void main() {
     LedDriver_EnableAllLeds();
     InitUsb();
 
-    while (1);
+    while (1){
+    	asm("wfi");
+    }
 }

right/src/usb_interface_keyboard.c

@@ -157,7 +157,7 @@ static uint8_t getKeycode(uint8_t keyId)
 {
 	int activeIndex = (modifierState & MOD_PRESSED) ? 1 : 0;
 
-	if (keyId<sizeof(scancodes))
+	if (keyId<sizeof(defaultLayout))
 		return defaultLayout[keyId][activeIndex];
 	else
 		return 0;