Description: Mini platform GN + iccarm compile and build

IssueNo: https://gitee.com/openharmony/third_party_freetype/issues/I5JEU3
Feature or Bugfix: Feature
Binary Source: No
Signed-off-by: Nsuwenxiang <suwenxiang@huawei.com>

BUILD.gn

@@ -17,13 +17,6 @@ if (defined(ohos_lite)) {
 config("freetype_config") {
   defines = [ "FT2_BUILD_LIBRARY" ]
   include_dirs = [ "include" ]
-  if (board_toolchain_type == "iccarm") {
-    cflags = [
-      "--diag_suppress",
-      "Pa082,Pa084,Pa128,Pa134,Pa137,Pe550",
-    ]
-    cflags_cc = cflags
-  }
 }
 
 freetype_sources = [
@@ -82,6 +75,14 @@ if (defined(ohos_lite)) {
       "//third_party/libpng",
     ]
 
+    if (board_toolchain_type == "iccarm") {
+      cflags = [
+        "--diag_suppress",
+        "Pa082,Pa084,Pa128,Pa134,Pa137,Pe550",
+      ]
+      cflags_cc = cflags
+    }
+
     public_configs = [ ":freetype_config" ]
     defines = [ "FT_CONFIG_OPTION_USE_PNG" ]
   }