bsps/sparc/leon3: Address unused parameter warnings

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

bsps/sparc/leon3/console/console.c

@@ -78,6 +78,9 @@ static rtems_termios_device_context *leon3_console_get_context(int index)
 /* AMBA PP find routine. Extract AMBA PnP information into data structure. */
 static int find_matching_apbuart(struct ambapp_dev *dev, int index, void *arg)
 {
+  (void) index;
+  (void) arg;
+
   struct ambapp_apb_info *apb = (struct ambapp_apb_info *)dev->devinfo;
 
   /* Extract needed information of one APBUART */
@@ -111,6 +114,10 @@ rtems_device_driver console_initialize(
   void                      *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   const rtems_termios_device_handler *handler =
 #if CONSOLE_USE_INTERRUPTS
     &apbuart_handler_interrupt;

bsps/sparc/leon3/mpci/getcfg.c

@@ -41,6 +41,8 @@ void Shm_Get_configuration(
   shm_config_table **shmcfg
 )
 {
+  (void) localnode;
+
   int i;
   unsigned int tmp;
   const rtems_multiprocessing_table *mptable;

bsps/sparc/leon3/start/cache.c

@@ -170,6 +170,9 @@ static inline void _CPU_cache_flush_data_range(
   size_t n_bytes
 )
 {
+  (void) d_addr;
+  (void) n_bytes;
+
   /* TODO */
 }
 
@@ -178,6 +181,9 @@ static inline void _CPU_cache_invalidate_data_range(
   size_t n_bytes
 )
 {
+  (void) d_addr;
+  (void) n_bytes;
+
   /* TODO */
 }
 
@@ -204,6 +210,9 @@ static inline void _CPU_cache_invalidate_instruction_range(
   size_t n_bytes
 )
 {
+  (void) i_addr;
+  (void) n_bytes;
+
   _CPU_cache_invalidate_entire_instruction();
 }
 

bsps/sparc/leon3/start/cpucounter.c

@@ -46,6 +46,8 @@ static uint32_t leon3_timecounter_get_asr_22_23_up_counter(
   struct timecounter *tc
 )
 {
+  (void) tc;
+
   return leon3_up_counter_low();
 }
 

bsps/sparc/leon3/start/eirq.c

@@ -359,6 +359,9 @@ rtems_status_code bsp_interrupt_set_priority(
   uint32_t priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -368,6 +371,9 @@ rtems_status_code bsp_interrupt_get_priority(
   uint32_t *priority
 )
 {
+  (void) vector;
+  (void) priority;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   bsp_interrupt_assert(priority != NULL);
   return RTEMS_UNSATISFIED;