Lazy patch to boot Windows 10 ARM on M1 Mac on current QEMU master (5f99210)

hvf.patch

diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index bff3e0cde7..a0ce7b2dfc 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1211,7 +1211,6 @@ int hvf_vcpu_exec(CPUState *cpu)
         break;
     case EC_AA64_SMC:
         cpu_synchronize_state(cpu);
-        if (arm_cpu->psci_conduit == QEMU_PSCI_CONDUIT_SMC) {
             advance_pc = true;
 
             if (!hvf_handle_psci_call(cpu)) {
@@ -1219,10 +1218,6 @@ int hvf_vcpu_exec(CPUState *cpu)
                 /* SMCCC 1.3 section 5.2 says every unknown SMCCC call returns -1 */
                 env->xregs[0] = -1;
             }
-        } else {
-            trace_hvf_unknown_smc(env->xregs[0]);
-            hvf_raise_exception(cpu, EXCP_UDEF, syn_uncategorized());
-        }
         break;
     default:
         cpu_synchronize_state(cpu);