osd: add feature CEPH_FEATURE_OSD_TRANSACTION_MAY_LAYOUT (1ULL<<47)>>)

osd: add feature CEPH_FEATURE_OSD_TRANSACTION_MAY_LAYOUT (1ULL<<47)>>)

This feature determine whether we use tbl encode for transaction of use
the new map layout.

The primary uses peer_features to determine whether transaction should
use tbl, while the replica just follow the primary.

Change-Id: I92ca6e5b59bd1acde6007ad0dffc085be17accab
Signed-off-by: Dong Yuan <yuandong1222@gmail.com>