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

syscall/los_syscall.h

@@ -36,7 +36,9 @@
 #include "los_task.h"
 #include "los_mux.h"
 #include "los_signal.h"
+#ifdef LOSCFG_FS_VFS
 #include "fs/fs.h"
+#endif
 #include "syscall.h"
 #include "sysinfo.h"
 #ifdef LOSCFG_KERNEL_DYNLOAD
@@ -48,7 +50,9 @@
 #include "sys/shm.h"
 #include "poll.h"
 #include "utime.h"
+#ifdef LOSCFG_COMPAT_POSIX
 #include "mqueue.h"
+#endif
 #include "time.h"
 #include "sys/time.h"
 #include "sys/stat.h"
@@ -107,6 +111,8 @@ extern int SysFutex(const unsigned int *uAddr, unsigned int flags, int val,
                     unsigned int absTime, const unsigned int *newUserAddr);
 extern int SysSchedGetAffinity(int id, unsigned int *cpuset, int flag);
 extern int SysSchedSetAffinity(int id, const unsigned short cpuset, int flag);
+
+#ifdef LOSCFG_COMPAT_POSIX
 extern mqd_t SysMqOpen(const char *mqName, int openFlag, mode_t mode, struct mq_attr *attr);
 extern int SysMqClose(mqd_t personal);
 extern int SysMqGetSetAttr(mqd_t mqd, const struct mq_attr *new, struct mq_attr *old);
@@ -116,6 +122,8 @@ extern int SysMqTimedSend(mqd_t personal, const char *msg, size_t msgLen, unsign
                           const struct timespec *absTimeout);
 extern ssize_t SysMqTimedReceive(mqd_t personal, char *msg, size_t msgLen, unsigned int *msgPrio,
                                  const struct timespec *absTimeout);
+#endif
+
 extern int SysSigAction(int sig, const sigaction_t *restrict sa, sigaction_t *restrict old, size_t sigsetsize);
 extern int SysSigprocMask(int how, const sigset_t_l *restrict set, sigset_t *restrict old, size_t sigsetsize);
 extern int SysKill(pid_t pid, int sig);