tls: Refactor variable names

Several config variables are prefixed with tx, drop the prefix
since these will be used for both tx and rx.

Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tls.h b/include/net/tls.h
index 6b44875..095b722 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -99,7 +99,7 @@ struct tls_context {
 
 	void *priv_ctx;
 
-	u8 tx_conf:2;
+	u8 conf:2;
 
 	struct cipher_context tx;