updates coremark build system to use BSP definitions

benchmarks/dhrystone/Makefile

@@ -2,7 +2,7 @@ TARGET := dhrystone
 ISA?=imc
 
 ASM_SRCS := 
-C_SRCS := dhry_stubs.c dhry_printf.c dhry_1.c dhry_2.c
+C_SRCS := dhry_stubs.c dhry_1.c dhry_2.c
 HEADERS := dhry.h
 
 BOARD=iss

benchmarks/dhrystone/dhry_printf.c

@@ -1,15 +0,0 @@
-/* The functions in this file are only meant to support Dhrystone on an
- * embedded RV32 system and are obviously incorrect in general. */
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <unistd.h>
-
-//#undef putchar
-//int putchar(int ch)
-//{
-//  return write(1, &ch, 1) == 1 ? ch : -1;
-//}