Disable mmap10 test if KSM is not configured

P.S. patch checked with 'checkpatch.pl'

# ./mmap10 -s
mmap10      1  TCONF  :  KSM configuration is not enabled
mmap10      2  TCONF  :  Remaining cases not appropriate for configuration


Signed-off-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>

-- 
Regards
R.Nageswara Sastry