improve panic with heap_stats

src/kernel/panic.c

@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include <drivers/uart.h>
 #include <syscon/syscon.h>
+#include "memory.h"
 
 void kpanic(const char *reason){
     kputs("\n!!! PANIC !!!\n");
@@ -50,5 +51,7 @@ void handle_trap() {
     }
     kprintf("Faulting Address (if applicable): 0x%p\n", mtval);
 
+    heap_stats();
+
     poweroff();
 }