selftests: KVM: SVM: Add vmcall test to gitignore

Add svm_vmcall_test to gitignore list, and realphabetize it.
Signed-off-by: NAndrew Jones <drjones@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/.gitignore

-/s390x/sync_regs_test
 /s390x/memop
+/s390x/sync_regs_test
 /x86_64/cr4_cpuid_sync_test
 /x86_64/evmcs_test
 /x86_64/hyperv_cpuid
@@ -9,6 +9,7 @@
 /x86_64/set_sregs_test
 /x86_64/smm_test
 /x86_64/state_test
+/x86_64/svm_vmcall_test
 /x86_64/sync_regs_test
 /x86_64/vmx_close_while_nested_test
 /x86_64/vmx_dirty_log_test
@@ -16,6 +17,6 @@
 /x86_64/vmx_tsc_adjust_test
 /x86_64/xss_msr_test
 /clear_dirty_log_test
+/demand_paging_test
 /dirty_log_test
 /kvm_create_max_vcpus
-/demand_paging_test