LU-10499 pcc: use foreign layout for PCCRO on server side

LU-10499 pcc: use foreign layout for PCCRO on server side

This patch includes the codes about using foreign layout for PCCRO
on the server side (LOD|MDD|MDT layers).

Signed-off-by: Qian Yingjin <qian@ddn.com>
Change-Id: I48467be9fef54bd05432528b685241aa53978d24
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/51375
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>