serial: bfin_sport_uart: restore transmit frame sync fix

The large cleanup/rewrite of resources in commit ccf68e59e93181df9353c0cc
accidentally reverted an earlier fix in commit a19e8b205915b2925aca75b.
So restore it here.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: stable <stable@kernel.org> [.34 and newer]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/serial/bfin_sport_uart.c

@@ -121,7 +121,7 @@ static int sport_uart_setup(struct sport_uart_port *up, int size, int baud_rate)
 	unsigned int sclk = get_sclk();
 
 	/* Set TCR1 and TCR2, TFSR is not enabled for uart */
-	SPORT_PUT_TCR1(up, (ITFS | TLSBIT | ITCLK));
+	SPORT_PUT_TCR1(up, (LATFS | ITFS | TFSR | TLSBIT | ITCLK));
 	SPORT_PUT_TCR2(up, size + 1);
 	pr_debug("%s TCR1:%x, TCR2:%x\n", __func__, SPORT_GET_TCR1(up), SPORT_GET_TCR2(up));