Fix a path issue

reload_xmos_device.ps1

@@ -27,10 +27,11 @@ function UninstallDevices($devManViewPath, $devices) {
 }
 
 # 读取配置文件
-$config = Get-Content -Path .\config.json | ConvertFrom-Json
+
 
 # 配置选项，当选项不起作用时，检查DevManView.cfg中是否配置了filter
 $scriptPath = $myinvocation.mycommand.definition
+$config = Get-Content -Path $scriptPath\..\config.json | ConvertFrom-Json
 $devManViewPath = $config.devManViewPath
 $deviceListFile = $config.deviceListFile
 $pattern = $config.pattern