Enable COMPR_CFGS and BIG_PCLUSTER since the implementations are
all settled properly.

Link: https://lore.kernel.org/r/20210407043927.10623-11-xiang@kernel.orgAcked-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NGao Xiang <hsiangkao@redhat.com>