add support for oneplus6
Created by: cm-punk
# OnePlus6 [oneplus6-oos] author = "cmpunk" version = "1.0" arch = arm64 devicenames = OnePlus6
Edited by g0t mi1k
Created by: cm-punk
# OnePlus6 [oneplus6-oos] author = "cmpunk" version = "1.0" arch = arm64 devicenames = OnePlus6