chore: fix clang-tidy warnings

Change-Id: I2cd96000b7216ac88cb7a7ca586c1168e0229b1d
Signed-off-by: Karl Meakin <karl.meakin@arm.com>
diff --git a/src/vm.c b/src/vm.c
index dcf7eb3..1a01a6f 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -531,7 +531,7 @@
 
 bool vm_are_notifications_enabled(struct vm *vm)
 {
-	return vm->notifications.enabled == true;
+	return vm->notifications.enabled;
 }
 
 bool vm_locked_are_notifications_enabled(struct vm_locked vm_locked)
@@ -1064,9 +1064,9 @@
 /**
  * Checks VM's messaging method support.
  */
-bool vm_supports_messaging_method(struct vm *vm, uint16_t msg_method)
+bool vm_supports_messaging_method(struct vm *vm, uint16_t messaging_method)
 {
-	return (vm->messaging_method & msg_method) != 0;
+	return (vm->messaging_method & messaging_method) != 0;
 }
 
 /**