backend/genesys_gl841: Disable LEDADD on Lide 80 since it's broken there (fixes issue #12)
Disable the LEDADD functionality on Lide 80 because it results in only the red LED array being on when doing grayscale scans. See issue #12 (closed).
Disable the LEDADD functionality on Lide 80 because it results in only the red LED array being on when doing grayscale scans. See issue #12 (closed).