memorder: Use consistent names of WRC litmus tests

Also update path names of litmus tests.

Fixes: 3162ff468ef4 ("memorder: Substitute WRC for WWC to illustrate non-MCA")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
3 files changed