chore: add a mini config for qemu arm virt

support turn off as many features as possible.
current only libc and posix and bsd can not be turned off.

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: I1e97570c67593207a56dc11f357eca4b4a018bfd

kernel/base/core/los_process.c

@@ -749,8 +749,12 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsSystemProcessCreate(VOID)
     LOS_ListTailInsert(&kerInitProcess->childrenList, &idleProcess->siblingList);
     idleProcess->group = kerInitProcess->group;
     LOS_ListTailInsert(&kerInitProcess->group->processList, &idleProcess->subordinateGroupList);
+#ifdef LOSCFG_SECURITY_CAPABILITY
     idleProcess->user = kerInitProcess->user;
+#endif
+#ifdef LOSCFG_FS_VFS
     idleProcess->files = kerInitProcess->files;
+#endif
 
     ret = OsIdleTaskCreate();
     if (ret != LOS_OK) {