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/common/los_printf.c

@@ -85,6 +85,7 @@ STATIC VOID UartOutput(const CHAR *str, UINT32 len, BOOL isLock)
 #endif
 }
 
+#ifdef LOSCFG_PLATFORM_CONSOLE
 STATIC VOID ConsoleOutput(const CHAR *str, UINT32 len)
 {
     ssize_t writen = 0;
@@ -100,6 +101,7 @@ STATIC VOID ConsoleOutput(const CHAR *str, UINT32 len)
         toWrite -= cnt;
     }
 }
+#endif
 
 VOID OutputControl(const CHAR *str, UINT32 len, OutputType type)
 {