selftests: mptcp: Add the uapi headers include variable

Out of tree build of this test fails if relative path of the output
directory is specified. Add the KHDR_INCLUDES to correctly reach the
headers.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Muhammad Usama Anjum 2022-01-19 15:15:29 +05:00 • committed by Shuah Khan
commit 5faa35d0b8