selftests: kvm: keep .gitignore add to date

Add tsc_msrs_test, remove clear_dirty_log_test and alphabetize
everything.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/.gitignore

@@ -14,17 +14,17 @@
 /x86_64/set_sregs_test
 /x86_64/smm_test
 /x86_64/state_test
-/x86_64/user_msr_test
-/x86_64/vmx_preemption_timer_test
 /x86_64/svm_vmcall_test
 /x86_64/sync_regs_test
+/x86_64/tsc_msrs_test
+/x86_64/user_msr_test
 /x86_64/vmx_apic_access_test
 /x86_64/vmx_close_while_nested_test
 /x86_64/vmx_dirty_log_test
+/x86_64/vmx_preemption_timer_test
 /x86_64/vmx_set_nested_state_test
 /x86_64/vmx_tsc_adjust_test
 /x86_64/xss_msr_test
-/clear_dirty_log_test
 /demand_paging_test
 /dirty_log_test
 /dirty_log_perf_test