Fix release notes and minimum required hcc workweek check

hipamd/RELEASE.md

@@ -29,6 +29,7 @@ Next:
 Release:0.82.00
 Date: 2016.03.07
 - Bump minimum required HCC workweek to 16074.
+- Bump minimum required ROCK-Kernel-Driver and ROCR-Runtime to Developer Preview 2.
 - Enable multi-GPU support.
   * Use hipSetDevice to select a device for subsequent kernel calls and memory allocations.
   * CUDA_VISIBLE_DEVICES / HIP_VISIBLE_DEVICE environment variable selects devices visible to the runtime.

hipamd/include/hcc_detail/hip_runtime_api.h

@@ -33,7 +33,7 @@ THE SOFTWARE.
 #include <hip_runtime_api.h>
 #include "hip_hcc.h"
 
-#if defined (__HCC__) &&  (__hcc_workweek__ < 1602)
+#if defined (__HCC__) &&  (__hcc_workweek__ < 16074)
 #error("This version of HIP requires a newer version of HCC.");
 #endif