fs/samba: disable kernel build

bus error, bad file handle errors... maybe an issue with cifs.ko?

2013-05-10T19:58:02.736 INFO:teuthology.task.workunit.client.1.out:  CC      kernel/res_counter.o
2013-05-10T19:58:09.735 INFO:teuthology.task.workunit.client.1.err:Bus error (core dumped)
2013-05-10T19:58:09.735 INFO:teuthology.task.workunit.client.1.err:make[1]: *** [kernel/cpuset.o] Error 135
2013-05-10T19:58:09.735 INFO:teuthology.task.workunit.client.1.err:make[1]: *** Waiting for unfinished jobs....
2013-05-10T19:58:09.757 INFO:teuthology.task.workunit.client.1.out:  AS      arch/x86/kernel/head_64.o
2013-05-10T19:58:10.264 INFO:teuthology.task.workunit.client.1.out:  CC      arch/x86/kernel/head64.o
2013-05-10T19:58:25.877 INFO:teuthology.task.workunit.client.1.out:  CC      arch/x86/kernel/head.o
2013-05-10T19:58:30.151 INFO:teuthology.task.workunit.client.1.out:  CC      arch/x86/kernel/init_task.o
2013-05-10T19:58:39.540 INFO:teuthology.task.workunit.client.1.out:  LDS     arch/x86/kernel/vmlinux.lds
2013-05-10T19:58:42.173 INFO:teuthology.task.workunit.client.1.out:  CC [M]  arch/x86/kernel/test_nx.o
2013-05-10T19:58:56.420 INFO:teuthology.task.workunit.client.1.out:  LD      arch/x86/kernel/microcode.o
2013-05-10T19:58:57.894 INFO:teuthology.task.workunit.client.1.out:  LD      arch/x86/kernel/built-in.o
2013-05-10T19:59:33.464 INFO:teuthology.task.workunit.client.1.err:make: *** [kernel] Error 2
2013-05-10T19:59:39.307 INFO:teuthology.task.workunit.client.1.out:  LD      arch/x86/built-in.o
2013-05-10T19:59:40.009 INFO:teuthology.task.workunit:Stopping kernel_untar_build.sh on client.1...

or

2013-05-10T18:34:47.574 INFO:teuthology.task.workunit.client.1.out:scripts/kconfig/conf --silentoldconfig Kconfig
2013-05-10T18:36:17.511 INFO:teuthology.task.workunit.client.1.out:  CHK     include/linux/version.h
2013-05-10T18:36:17.665 INFO:teuthology.task.workunit.client.1.out:  UPD     include/linux/version.h
2013-05-10T18:36:37.965 INFO:teuthology.task.workunit.client.1.err:make[2]: *** include/config/tristate.conf: Bad file descriptor.  Stop.

or

2013-05-10T18:21:00.731 INFO:teuthology.task.workunit.client.1.out:  HOSTCC  scripts/pnmtologo
2013-05-10T18:21:00.879 INFO:teuthology.task.workunit.client.1.out:  HOSTCC  scripts/conmakehash
2013-05-10T18:21:03.034 INFO:teuthology.task.workunit.client.1.out:  HOSTLD  scripts/mod/modpost
2013-05-10T18:21:46.406 INFO:teuthology.task.workunit.client.1.err:cat: net/unix/modules.builtin: Bad file descriptor

Signed-off-by: Sage Weil <sage@inktank.com>
fs/samba: add noceph.yaml baseline

Run samba against the a local directory to isolate issues not specific to
the ceph backend.
fs/samba: smbtorture: disable base.bench-hold* tests

These seem to hang, even when run on samba + local fs (no ceph).