There are 2 repositories under mt6853 topic.
Motorola Edge 20 lite 5G (AKA Edge 20 fusion) - Orangefox recovery tree
cannon-user 11 RP1A.200720.011 21.3.15 release-keys
sys_oplus_mssi_64_cn-user 11 RP1A.200720.011 eng.root.20210131.215740 release-keys
full_oppo6853-user 10 QP1A.190711.020 p2tc16sprmpr2V1 release-keys
full_oppo6853-user 10 QP1A.190711.020 p2tc16sprmpr2V1 release-keys
cannong-user 10 QP1A.190711.020 V12.0.7.0.QJEEUXM release-keys
full_oppo6853-user 10 QP1A.190711.020 p2tc16sprmpr2V1 release-keys
cannong-user 11 RP1A.200720.011 V12.5.2.0.RJEEUXM release-keys
full_oppo6853-user 10 QP1A.190711.020 p2tc16sprmpr2V1 release-keys