Merge branch 'JimmyS83:tvheadend43-bump' into coreelec-9.2

This closes CoreELEC#245

inject_bl301: bump package to f71decac

Amlogic-ng: re-introduce cfgload check if /flash/dtb.img does exist

Khadas VIM3L get delivered with a CE image with different partition
naming as usual. By checking if file /flash/dtb.img does exist the
correct partition naming can be chosen.

linux-firmware: make sure BT device is available before attempting to…

… load firmware

lepotatotoemmc: fix install to eMMC script

busybox: increase dtb sanity check delay

qt-everywhere: fix PKG_URL

qca9377-firmware-aml: revert package changes as some older devices

have been unable to shutdown since the recent changes, this revert
comes at the expense of bluetooth support for some newer devices

u-boot: rebuild package if any subdevice packages are updated

service.openvfd: bump to b8096fc

fix Indicators being greyed out in settings