arm/atsam: Address unused parameter warnings

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

bsps/arm/atsam/console/console.c

@@ -357,6 +357,8 @@ static bool atsam_uart_first_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) args;
+
   atsam_uart_context *ctx = (atsam_uart_context *) base;
   Uart *regs = ctx->regs;
 #ifdef ATSAM_CONSOLE_USE_INTERRUPTS
@@ -394,6 +396,8 @@ static void atsam_uart_last_close(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) args;
+
   atsam_uart_context *ctx = (atsam_uart_context *) base;
 
 #ifdef ATSAM_CONSOLE_USE_INTERRUPTS
@@ -461,6 +465,8 @@ static int atsam_uart_ioctl(
   void                         *buffer
 )
 {
+  (void) buffer;
+
   atsam_uart_context *ctx = (atsam_uart_context *) base;
   rtems_status_code sc;
 
@@ -501,6 +507,10 @@ rtems_status_code console_initialize(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   size_t i;
 
   rtems_termios_initialize();

bsps/arm/atsam/rtc/rtc-config.c

@@ -57,6 +57,8 @@ void atsam_rtc_get_time(rtems_time_of_day *tod)
 
 static void atsam_rtc_device_initialize(int minor)
 {
+  (void) minor;
+
   Rtc *rtc = RTC;
 
   RTC_DisableIt(rtc, 0x1F);
@@ -64,6 +66,8 @@ static void atsam_rtc_device_initialize(int minor)
 
 static int atsam_rtc_device_get_time(int minor, rtems_time_of_day *tod)
 {
+  (void) minor;
+
   atsam_rtc_get_time(tod);
 
   return 0;
@@ -71,6 +75,8 @@ static int atsam_rtc_device_get_time(int minor, rtems_time_of_day *tod)
 
 static int atsam_rtc_device_set_time(int minor, const rtems_time_of_day *tod)
 {
+  (void) minor;
+
   Rtc *rtc = RTC;
   uint8_t hour;
   uint8_t minute;
@@ -96,6 +102,8 @@ static int atsam_rtc_device_set_time(int minor, const rtems_time_of_day *tod)
 
 static bool atsam_rtc_device_probe(int minor)
 {
+  (void) minor;
+
   return true;
 }
 

bsps/arm/atsam/spi/atsam_spi_bus.c

@@ -416,6 +416,8 @@ static void atsam_spi_setup_transfer(atsam_spi_bus *bus)
 
 static void atsam_spi_dma_callback(uint32_t ch, void *arg, uint32_t status)
 {
+  (void) ch;
+
   atsam_spi_bus *bus;
   uint32_t dma_errors;
 

bsps/arm/atsam/spi/sc16is752.c

@@ -40,6 +40,8 @@ static void atsam_sc16i752_irqs_handler(void *arg)
 
 static void atsam_sc16i752_interrupt(const Pin *pin, void *arg)
 {
+  (void) pin;
+
   atsam_sc16is752_spi_context *ctx = arg;
 
   if(PIO_ItIsActive(&ctx->irq_pin)) {