cxgb4: Export sge_host_page_size to ulds

Export the sge_host_page_size field to ULDs via cxgb4_lld_info, so that
iw_cxgb4 can make use of this in calculating the correct qp/cq mask.

Fixes: 2391b003 ("cxgb4: Remove SGE_HOST_PAGE_SIZE dependency on page size")
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>