Fix de-init

src/tempus/Tempus.py

@@ -335,6 +335,9 @@ class Tempus(Device):
             await self.send_command("os.system('devmem2 0x80010004 w 0x0')")
             await self.send_command("os.system('devmem2 0x80010004 w 0x2')")
 
+            await self.send_command(
+                f"os.system('{self.APP_DIR}/Timepix4_Init.py')", sleep_time=3)
+
             self.status = "De-initialized"
             self.state = State.INIT