added lumin back to the parameter list for build platform

Author: StephenHodgson

UnitySetup/UnitySetup.psm1

@@ -1313,7 +1313,7 @@ function Start-UnityEditor {
         [parameter(Mandatory = $false)]
         [string]$LogFile,
         [parameter(Mandatory = $false)]
-        [ValidateSet('StandaloneOSX', 'StandaloneWindows', 'iOS', 'Android', 'StandaloneLinux', 'StandaloneWindows64', 'WebGL', 'WSAPlayer', 'StandaloneLinux64', 'StandaloneLinuxUniversal', 'Tizen', 'PSP2', 'PS4', 'XBoxOne', 'N3DS', 'WiiU', 'tvOS', 'Switch')]
+        [ValidateSet('StandaloneOSX', 'StandaloneWindows', 'iOS', 'Android', 'StandaloneLinux', 'StandaloneWindows64', 'WebGL', 'WSAPlayer', 'StandaloneLinux64', 'StandaloneLinuxUniversal', 'Tizen', 'PSP2', 'PS4', 'XBoxOne', 'N3DS', 'WiiU', 'tvOS', 'Switch', 'Lumin')]
         [string]$BuildTarget,
         [parameter(Mandatory = $false)]
         [switch]$AcceptAPIUpdate,