LU-8056 llite: POSIX_ACL_XATTR_{ACCESS,DEFAULT} removed in 4.5

LU-8056 llite: POSIX_ACL_XATTR_{ACCESS,DEFAULT} removed in 4.5

POSIX_ACL_XATTR_{ACCESS,DEFAULT} are duplicate
xattr name definitions and they are replaced by
XATTR_NAME_POSIX_ACL_{ACCESS,DEFAULT} since Linux kernel 4.5

Linux-commit:97d79299223baab330b194437e676d301f12d5f6

Signed-off-by: Li Dongyang <dongyang.li@anu.edu.au>
Change-Id: I9e031d3ac77a4bf1832d932c1cab7032e4572445
Reviewed-on: http://review.whamcloud.com/20225
Reviewed-by: Fan Yong <fan.yong@intel.com>
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>