arm: move trace dump to crash handler

arm/crash.cc

@@ -3,6 +3,7 @@
 #include "gpio.h"
 #include "itoa.h"
 #include "sleep.h"
+#include "trace.h"
 #include "uart.h"
 
 extern "C" uint32_t _initial_stack_pointer, _text_begin, _text_end;
@@ -80,6 +81,8 @@ void CrashHandler(Armv6mRegs* regs) {
     UartWriteCrash("- Stack trace:\r\n");
     StackTrace(reinterpret_cast<uint32_t*>(regs->sp));
 
+    tracing::dump();
+
     while (1) {
         gpio0->data = 0x55;
         sleep(100);