more bpmpfw shenanigans

Source/hoc-clk/bpmpfw/source/main.cpp

@@ -1,7 +1,12 @@
+#include <stdio.h>
+
+#include "libc_platform.hpp"
 #include "regs.hpp"
 
 extern "C" void main() {
-    UartPuts("[bpmpfw]: Hello from BPMP-FW\n");
+    InitializeLibc();
+
+    printf("[hoc-bpmpfw] Starting bpmpfw\n");
 
     for (;;);
 }