[scons][iar] 将IAR的PLATFORM字段由iar调整为iccarm

将路径更新为IAR最新版本的路径

tools/building.py

@@ -228,7 +228,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         env['LIBLINKSUFFIX'] = '.lib'
         env['LIBDIRPREFIX'] = '--userlibpath '
 
-    elif rtconfig.PLATFORM == 'iar':
+    elif rtconfig.PLATFORM == 'iccarm':
         env['LIBPREFIX'] = ''
         env['LIBSUFFIX'] = '.a'
         env['LIBLINKPREFIX'] = ''

tools/mkdist.py

@@ -173,7 +173,7 @@ def bs_update_ide_project(bsp_root, rtt_root, rttide = None):
     if rttide == None:
         tgt_dict = {'mdk4':('keil', 'armcc'),
                     'mdk5':('keil', 'armcc'),
-                    'iar':('iar', 'iar'),
+                    'iar':('iar', 'iccarm'),
                     'vs':('msvc', 'cl'),
                     'vs2012':('msvc', 'cl'),
                     'cdk':('gcc', 'gcc'),