kernel/mem/lib/mem.c: fix compilation warnings

Functions declared in testcases/kernel/mem/include/_private.h is not
implemented and used, so delete it.

Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
Acked-by: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
3 files changed