fix: 中断中调用PRINTK概率卡死，导致系统不能正常响应中断

当console层的打印缓冲buffer满且打印任务被饿死时，函数ConsoleOutput会出现在for循环中
不退出的情况，导致中断打印时卡死

close: #I4C9GC
Signed-off-by: Nzff <zhangfanfan2@huawei.com>
Change-Id: I70b9d7c848dce7d351c5679e7b08049df27a6f10

kernel/common/los_printf.c

@@ -94,7 +94,7 @@ STATIC VOID ConsoleOutput(const CHAR *str, UINT32 len)
 
     for (;;) {
         cnt = write(STDOUT_FILENO, str + writen, (size_t)toWrite);
-        if ((cnt < 0) || (toWrite == cnt)) {
+        if ((cnt < 0) || ((cnt == 0) && (OS_INT_ACTIVE)) || (toWrite == cnt)) {
             break;
         }
         writen += cnt;