[NETFILTER]: Update modules' descriptions

Updates the MODULE_DESCRIPTION() tags for all Netfilter modules,
actually describing what the module does and not just
"netfilter XYZ target".

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index 55c6235..aaa1b96 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -28,7 +28,7 @@
 #include <linux/netfilter/xt_connmark.h>
 
 MODULE_AUTHOR("Henrik Nordstrom <hno@marasystems.com>");
-MODULE_DESCRIPTION("IP tables connmark match module");
+MODULE_DESCRIPTION("Xtables: connection mark match");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("ipt_connmark");
 MODULE_ALIAS("ip6t_connmark");