RDMA/rxe: Change the is_user member of struct rxe_cq to bool

Make the is_user members of struct rxe_qp/rxe_cq has the same type.

Link: https://lore.kernel.org/r/20210930094813.226888-3-yangx.jy@fujitsu.com


Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>