LU-13731 autoconf: check if VM_FAULT_RETRY is defined

LU-13731 autoconf: check if VM_FAULT_RETRY is defined

In RHEL 8.2 kernel 4.18.0-193.el8, VM_FAULT_RETRY is
defined as an enumeration constant in linux/mm_types.h
instead of a macro in linux/mm.h. This patch adds
autoconf macros to check if VM_FAULT_RETRY is defined
at configure time.

Test-Parameters: clientdistro=el8.2 serverdistro=el8.2 \
testlist=sanity

Test-Parameters: clientdistro=el8.1 serverdistro=el8.1 \
testlist=sanity

Fixes: 2e813f3e2d ("LU-13731 llite: include linux/mm_types.h for VM_FAULT_RETRY")
Change-Id: I2fdae7b62a53e447a7eb979787bdbd79423b787d
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/39281
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Ben Menadue <ben.menadue@anu.edu.au>
Reviewed-by: Oleg Drokin <green@whamcloud.com>