Integrate meta-seco-clea-os-things/ap/rpi-u-boot-default-script
Commit: clea-os/layers/seco/meta-seco-clea-os-things@fd9422ae
[RPI][UBOOT] fix u-boot default script preferred provider
Fix u-boot default script PREFERRED_PROVIDER value which has an incorrect value and therefore Things doesn't boot on Raspberry Pi.
Recipe was renamed from edgehog to clea-os.
Signed-off-by: Alessandro Pecugi alessandro.pecugi@seco.com