Also check for /dev/mic/scif when deciding whether to enable the Linux

memory hooks.

The MIC has a /dev/scif device and the host has /dev/mic/scif. I do not
know if this device exists when no MIC is connected.

cmr=v1.7.4:ticket=trac:3733:reviewer=jsquyres

This commit was SVN r29071.

The following Trac tickets were found above:
  Ticket 3733 --> https://svn.open-mpi.org/trac/ompi/ticket/3733

opal/mca/memory/linux/hooks.c

@@ -810,6 +810,7 @@ void opal_memory_linux_malloc_init_hook(void)
         0 == access("/dev/myri9", F_OK) ||
         0 == access("/dev/ipath", F_OK) ||
         0 == access("/dev/kgni0", F_OK) ||
+        0 == access("/dev/mic/scif", F_OK) ||
         0 == access("/dev/scif", F_OK)) {
         found_driver = true;
     }