[FIX] hw_drivers: In IoT adapt path to filename

From the commit 2ab231b
We introduce a error in the path to read Linux file

In this commit we correct the access to the file
which is in the "home" of the raspberry

closes odoo#107762

Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/hw_drivers/tools/helpers.py

@@ -309,7 +309,7 @@ def odoo_restart(delay):
 def path_file(filename):
     platform_os = platform.system()
     if platform_os == 'Linux':
-        return Path().absolute().parent.joinpath(filename)
+        return Path.home() / filename
     elif platform_os == 'Windows':
         return Path().absolute().parent.joinpath('server/' + filename)