[MIPS] Use an aligned address to provoke SIGSEGV in abort()

Change-Id: I269c9ccc07058773fb0f9d70673673157ab38f6a

libc/unistd/abort.c

@@ -79,7 +79,12 @@ abort(void)
 
     /* temporary, for bug hunting */
     /* seg fault seems to produce better debuggerd results than SIGABRT */
+#ifdef __mips__
+    /* An access that will generate SIGSEGV rather than SIGBUS. */
+    *((char*)0xdeadc0c0) = 39;
+#else
     *((char*)0xdeadbaad) = 39;
+#endif
     /* -- */
 
 	(void)kill(getpid(), SIGABRT);