RDS: Documentation: Document AF_RDS, PF_RDS and SOL_RDS correctly.
RDS: Documentation: Document AF_RDS, PF_RDS and SOL_RDS correctly.

AF_RDS, PF_RDS and SOL_RDS are available in header files,
and there is no need to get their values from /proc. Document
this correctly.

Fixes: 0c5f9b8830aa ("RDS: Documentation")

Signed-off-by: Sowmini Varadhan <1a53202f7826b15a582486d4ea9c371e05720251@oracle.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs