rtwn: R92C_RXDW0_OWN -> R92C_TXDW0_OWN

[Kevin Lo]

In rtwn_tx(), check if the OWN bit of Tx instead of Rx is set.
Luckily, definitions of R92C_TXDW0_OWN and R92C_RXDW0_OWN are the same.

ok?

Index: sys/dev/pci/if_rtwn.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_rtwn.c,v
retrieving revision 1.40
diff -u -p -u -p -r1.40 if_rtwn.c
--- sys/dev/pci/if_rtwn.c       21 Apr 2022 21:03:03 -0000      1.40
+++ sys/dev/pci/if_rtwn.c       14 Jul 2023 06:43:06 -0000
@@ -1022,7 +1022,7 @@ rtwn_tx(void *cookie, struct mbuf *m, st
 
        /* Fill Tx descriptor. */
        txd = &tx_ring->desc[tx_ring->cur];
-       if (htole32(txd->txdw0) & R92C_RXDW0_OWN) {
+       if (htole32(txd->txdw0) & R92C_TXDW0_OWN) {
                m_freem(m);
                return (ENOBUFS);
        }