arm/lm3s69xx: Address unused parameter warnings

Add "(void) param;" annotation to address unused parameter warnings.
Found with GCC's warning -Wunused-parameter.

bsps/arm/lm3s69xx/console/uart.c

@@ -94,6 +94,8 @@ static void initialize(int minor)
 
 static int first_open(int major, int minor, void *arg)
 {
+  (void) major;
+
   rtems_libio_open_close_args_t *oc = (rtems_libio_open_close_args_t *) arg;
   struct rtems_termios_tty *tty = (struct rtems_termios_tty *) oc->iop->data1;
   console_data *cd = &Console_Port_Data [minor];
@@ -113,6 +115,9 @@ static int first_open(int major, int minor, void *arg)
 
 static int last_close(int major, int minor, void *arg)
 {
+  (void) major;
+  (void) arg;
+
   volatile lm3s69xx_uart *uart = get_uart_regs(minor);
   uart->im = 0;
 
@@ -147,6 +152,9 @@ static ssize_t write_support_polled(
 
 static int set_attribues(int minor, const struct termios *term)
 {
+  (void) minor;
+  (void) term;
+
   return -1;
 }
 

bsps/arm/lm3s69xx/i2c/ssi.c

@@ -43,6 +43,8 @@ static rtems_status_code lm3s69xx_ssi_init(rtems_libi2c_bus_t *bus)
 
 static rtems_status_code lm3s69xx_ssi_send_start(rtems_libi2c_bus_t *bus)
 {
+  (void) bus;
+
   return RTEMS_SUCCESSFUL;
 }
 
@@ -62,6 +64,8 @@ static rtems_status_code lm3s69xx_ssi_send_stop(rtems_libi2c_bus_t *bus)
 static rtems_status_code lm3s69xx_ssi_send_addr(rtems_libi2c_bus_t *bus,
         uint32_t addr, int rw)
 {
+  (void) rw;
+
   lm3s69xx_ssi_bus_entry *e = (lm3s69xx_ssi_bus_entry *)bus;
   e->cs_pin = addr;
   lm3s69xx_gpio_set_pin(e->cs_pin, false);
@@ -114,6 +118,10 @@ static int lm3s69xx_ssi_write(rtems_libi2c_bus_t *bus, unsigned char *out, int n
 
 static int lm3s69xx_ssi_ioctl(rtems_libi2c_bus_t *bus, int cmd, void *arg)
 {
+  (void) bus;
+  (void) cmd;
+  (void) arg;
+
   return -RTEMS_NOT_DEFINED;
 }
 

bsps/arm/lm3s69xx/start/syscon.c

@@ -22,6 +22,8 @@ static void delay_3_clocks(void)
 
 void __attribute__((naked)) lm3s69xx_syscon_delay_3x_clocks(unsigned long x_count)
 {
+    (void) x_count;
+
     asm volatile(
                  "subs  r0, #1\n\t"
                  "bne   lm3s69xx_syscon_delay_3x_clocks\n\t"