cmake should fail when generating the building system, if the necessary
development libraries or the header files are missing.
in this change, Findmotr.cmake is added to detect the motr library
and header so that we can use it to find the motr package before using
it.
See-also: https://tracker.ceph.com/issues/57079
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
