fix(plat/xilinx/versal): resolve misra R10.3

MISRA Violation: MISRA-C:2012 R.10.3
- The value of an expression shall not be assigned to an object with a
  narrower essential type or of a different essential type category

Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
Change-Id: I9c6dd8dba40db8067b46947ceff295732648612a
diff --git a/plat/xilinx/versal/bl31_versal_setup.c b/plat/xilinx/versal/bl31_versal_setup.c
index 698d036..4d7caf1 100644
--- a/plat/xilinx/versal/bl31_versal_setup.c
+++ b/plat/xilinx/versal/bl31_versal_setup.c
@@ -67,16 +67,16 @@
 	if (VERSAL_CONSOLE_IS(pl011)) {
 		static console_t versal_runtime_console;
 		/* Initialize the console to provide early debug support */
-		int rc = console_pl011_register(VERSAL_UART_BASE,
-						VERSAL_UART_CLOCK,
-						VERSAL_UART_BAUDRATE,
+		int rc = console_pl011_register((unsigned long)VERSAL_UART_BASE,
+						(unsigned int)VERSAL_UART_CLOCK,
+						(unsigned int)VERSAL_UART_BAUDRATE,
 						&versal_runtime_console);
 		if (rc == 0) {
 			panic();
 		}
 
-		console_set_scope(&versal_runtime_console, CONSOLE_FLAG_BOOT |
-				  CONSOLE_FLAG_RUNTIME);
+		console_set_scope(&versal_runtime_console, (unsigned int)(CONSOLE_FLAG_BOOT |
+				  CONSOLE_FLAG_RUNTIME));
 	} else if (VERSAL_CONSOLE_IS(dcc)) {
 		/* Initialize the dcc console for debug */
 		int rc = console_dcc_register();
@@ -166,7 +166,7 @@
 void bl31_plat_runtime_setup(void)
 {
 	uint64_t flags = 0;
-	uint64_t rc;
+	int32_t rc;
 
 	set_interrupt_rm_flag(flags, NON_SECURE);
 	rc = register_interrupt_type_handler(INTR_TYPE_EL3,