LU-12923 mdd: Use BUILD_BUG_ON() for mdd_object.c

LU-12923 mdd: Use BUILD_BUG_ON() for mdd_object.c

This patch replaces all CLASSERT() with kernel defined
BUILD_BUG_ON() for file lustre/mdd/mdd_object.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Change-Id: I6badf6cbeb2726b643f494f68b2f30752ffffa8c
Reviewed-on: https://review.whamcloud.com/36719
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Neil Brown <neilb@suse.de>
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: Shaun Tancheff <stancheff@cray.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>