KVM: arm64: Remove trailing whitespace in comment

Remove trailing whitespace from comment in trap_dbgauthstatus_el1().

No functional change intended.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210817081134.2918285-3-tabba@google.com

arch/arm64/kvm/sys_regs.c

@@ -318,14 +318,14 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu,
 /*
  * We want to avoid world-switching all the DBG registers all the
  * time:
- * 
+ *
  * - If we've touched any debug register, it is likely that we're
  *   going to touch more of them. It then makes sense to disable the
  *   traps and start doing the save/restore dance
  * - If debug is active (DBG_MDSCR_KDE or DBG_MDSCR_MDE set), it is
  *   then mandatory to save/restore the registers, as the guest
  *   depends on them.
- * 
+ *
  * For this, we use a DIRTY bit, indicating the guest has modified the
  * debug registers, used as follow:
  *