[FlashManager] add detection Slot F for chkrootmb Systems

Author: atvcaptain

lib/python/Screens/FlashManager.py

@@ -667,7 +667,7 @@ def findImageFiles(path):
 				cmdArgs = ["-r%s" % mtdRootFS, "-a"]
 			elif BoxInfo.getItem("model") in ("dm820", "dm7080"):  # Temp solution ofgwrite auto detection not ready.
 				cmdArgs = ["-rmmcblk0p1"] if rootSubDir is None else ["-r%s" % mtdRootFS, "-c%s" % currentSlot, "-m%s" % self.slotCode]
-			elif MultiBoot.canMultiBoot() and not self.slotCode == "R":  # Receiver with SD card MultiBoot if (rootSubDir) is None.
+			elif MultiBoot.canMultiBoot() and not (self.slotCode == "R" or self.slotCode == "F"):  # Receiver with SD card MultiBoot if (rootSubDir) is None.
 				if BoxInfo.getItem("chkrootmb"):
 					cmdArgs = ["-r%s" % mtdRootFS, "-c%s" % currentSlot, "-m%s" % self.slotCode]
 				else: