more bpmpfw shenanigans

Source/hoc-clk/bpmpfw/source/libc/src/fslc_printf.c

@@ -0,0 +1,10 @@
+#include "fslc_stdio.h"
+
+int fslc_printf(const char *format, ...)
+{
+    va_list args;
+    va_start(args, format);
+    int r = fslc_vfprintf(fslc_stdout, format, args);
+    va_end(args);
+    return r;
+}