arm freescale: Remove unused variables.

sys/arm/freescale/imx/imx_nop_usbphy.c

@@ -75,9 +75,6 @@ usbphy_detach(device_t dev)
 static int
 usbphy_attach(device_t dev)
 {
-	struct usbphy_softc *sc;
-
-	sc = device_get_softc(dev);
 
 	/*
          * Turn on the phy clocks.

sys/arm/freescale/vybrid/vf_adc.c

@@ -142,9 +142,6 @@ adc_probe(device_t dev)
 static void
 adc_intr(void *arg)
 {
-	struct adc_softc *sc;
-
-	sc = arg;
 
 	/* Conversation complete */
 }

sys/arm/freescale/vybrid/vf_tcon.c

@@ -74,13 +74,10 @@ static struct resource_spec tcon_spec[] = {
 uint32_t
 tcon_bypass(void)
 {
-	struct tcon_softc *sc;
 
 	if (tcon_sc == NULL)
 		return (1);
 
-	sc = tcon_sc;
-
 	WRITE4(tcon_sc, TCON0_CTRL1, TCON_BYPASS);
 
 	return (0);

sys/arm/freescale/vybrid/vf_uart.c

@@ -339,10 +339,8 @@ vf_uart_bus_getsig(struct uart_softc *sc)
 static int
 vf_uart_bus_ioctl(struct uart_softc *sc, int request, intptr_t data)
 {
-	struct uart_bas *bas;
 	int error;
 
-	bas = &sc->sc_bas;
 	error = 0;
 	uart_lock(sc->sc_hwmtx);
 	switch (request) {
@@ -369,7 +367,6 @@ vf_uart_bus_ipend(struct uart_softc *sc)
 	int ipend;
 	uint32_t usr1, usr2;
 	int reg;
-	int sfifo;
 
 	bas = &sc->sc_bas;
 	ipend = 0;
@@ -378,7 +375,7 @@ vf_uart_bus_ipend(struct uart_softc *sc)
 
 	usr1 = uart_getreg(bas, UART_S1);
 	usr2 = uart_getreg(bas, UART_S2);
-	sfifo = uart_getreg(bas, UART_SFIFO);
+	(void)uart_getreg(bas, UART_SFIFO);
 
 	/* ack usr2 */
 	uart_setreg(bas, UART_S2, usr2);