fix(versal2): declare unused parameters as void

This corrects the MISRA violation C2012-2.7:
There should be no unused parameters in functions.
Declared unused function parameters as void.

Change-Id: Iee222595962273913a570786ff1df5dc3ad328df
Signed-off-by: Maheedhar Bollapalli <MaheedharSai.Bollapalli@amd.com>
diff --git a/plat/amd/versal2/bl31_setup.c b/plat/amd/versal2/bl31_setup.c
index e878863..970fca9 100644
--- a/plat/amd/versal2/bl31_setup.c
+++ b/plat/amd/versal2/bl31_setup.c
@@ -74,6 +74,10 @@
 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
 				u_register_t arg2, u_register_t arg3)
 {
+	(void)arg0;
+	(void)arg1;
+	(void)arg2;
+	(void)arg3;
 	uint32_t uart_clock;
 	int32_t rc;
 
@@ -206,6 +210,7 @@
 static uint64_t rdo_el3_interrupt_handler(uint32_t id, uint32_t flags,
 					  void *handle, void *cookie)
 {
+	(void)id;
 	uint32_t intr_id;
 	uint32_t i;
 	interrupt_type_handler_t handler = NULL;