refactor: 对LiteOS_a内核中menuconfig开关的宏使用#ifdef/#ifndef做预编译处理

LiteOS_a中有部分配置宏进行了重复冗余定义，导致当头文件未被包含时，极易引入错误，
故对menuconfig配置宏进行统一处理，均使用#ifdef/#ifndef作为预编译判断方式

Close #I3YEGS

Change-Id: I9300dbe06b015983b5b03b58f9b25b3bcb7d46dc
Signed-off-by: Nboxi <lewis.liulei@huawei.com>

components/dfs/filesystems/jffs2/src/fs-ecos.c

@@ -1161,7 +1161,7 @@ static int jffs2_fo_write(struct CYG_FILE_TAG *fp, struct CYG_UIO_TAG *uio)
 	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
 	int i;
 
-#if (LOSCFG_KERNEL_SMP == YES)
+#ifdef LOSCFG_KERNEL_SMP
 	struct super_block *sb = inode->i_sb;
 	UINT16 gc_cpu_mask = LOS_TaskCpuAffiGet(sb->s_gc_thread);
 	UINT32 cur_task_id = LOS_CurTaskIDGet();