net: Fix (nearly-)kernel-doc comments for various functions

Fix incorrect start markers, wrapped summary lines, missing section
breaks, incorrect separators, and some name mismatches.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f56f045..00eb859 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -385,7 +385,7 @@
 	return ERR_PTR(err);
 }
 
-/*
+/**
  * rpc_create - create an RPC client and transport with one call
  * @args: rpc_clnt create argument structure
  *