Exempt from strict warnings for struct packing and add MCU options

src/class/hid/hid.h

@@ -49,6 +49,10 @@
  extern "C" {
 #endif
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpacked"
+#pragma GCC diagnostic ignored "-Wattributes"
+
 //--------------------------------------------------------------------+
 // Common Definitions
 //--------------------------------------------------------------------+
@@ -609,6 +613,7 @@ enum
   HID_USAGE_CONSUMER_AC_PAN                            = 0x0238,
 };
 
+#pragma GCC diagnostic pop
 
 #ifdef __cplusplus
  }