Apply clang-tidy fixups.

Change-Id: I5e68a28af54c8b9a1cebeeb71f2f8987d69a88a3
diff --git a/src/cpu.c b/src/cpu.c
index d4e7900..5e179dd 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -72,7 +72,7 @@
 
 	if (!prev) {
 		struct vcpu *vcpu = primary_vm.vcpus + cpu_index(c);
-		arch_regs_init(&vcpu->regs, entry, arg, true);
+		arch_regs_init(&vcpu->regs, entry, arg);
 		vcpu_on(vcpu);
 	}