KVM: PPC: Book3S HV: Fix inaccurate comment

We now have interrupts hard-disabled when coming back from
kvmppc_hv_entry_trampoline, so this changes the comment to reflect
that.
Signed-off-by: NPaul Mackerras <paulus@ozlabs.org>

arch/powerpc/kvm/book3s_hv_interrupts.S

@@ -137,7 +137,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
 /*
  * We return here in virtual mode after the guest exits
  * with something that we can't handle in real mode.
- * Interrupts are enabled again at this point.
+ * Interrupts are still hard-disabled.
  */
 
 	/*