hw/arm: add authenticated A6 IMG3 boot lab

Model the A6 crypto, interrupt, USB, and platform blocks needed to boot SecureROM through iBSS into iBEC Recovery.

Add local lab identity, IMG3, and APTicket tooling, patched macOS recovery utilities, UART and GDB access, and English end-user documentation.

windows/QemuA6Ude/install-driver.ps1

@@ -16,7 +16,7 @@ $devcon = Join-Path $wdkRoot "tools\$wdkVersion\x64\devcon.exe"
 
 foreach ($required in @($certificate, $inf, $devcon)) {
     if (-not (Test-Path -LiteralPath $required -PathType Leaf)) {
-        throw "Fichier requis introuvable : $required"
+        throw "Required file not found: $required"
     }
 }
 
@@ -25,8 +25,8 @@ Import-Certificate -FilePath $certificate -CertStoreLocation Cert:\LocalMachine\
 
 & $devcon install $inf 'Root\QemuA6Ude'
 if ($LASTEXITCODE -ne 0) {
-    throw "Installation du pilote échouée ($LASTEXITCODE)."
+    throw "Driver installation failed ($LASTEXITCODE)."
 }
 
-Write-Host 'Pilote QemuA6Ude installé.'
-Write-Host 'Le périphérique enfant USB\VID_05AC&PID_1227 doit maintenant apparaître.'
+Write-Host 'QemuA6Ude driver installed.'
+Write-Host 'The USB\VID_05AC&PID_1227 child device should now be visible.'