"Soft" reboot button

Add function to perform a "soft" reboot for quicker reboots.

Co-Authored-By: CHaucke89 <132518562+chaucke89@users.noreply.github.com>

system/hardware/base.py

@@ -30,6 +30,10 @@ class HardwareBase(ABC):
   def reboot(self, reason=None):
     pass
 
+  @abstractmethod
+  def soft_reboot(self):
+    pass
+
   @abstractmethod
   def uninstall(self):
     pass