It was reported on Turris forum [1] that HALNy HL-GSFP module does not
work as it should with kernel 5.15. Russell King prepared this patch
series, which fixes broken SFP module to work.
Compile and run tested with Turris Omnia.
[1] https://forum.turris.cz/t/hbl-turrisos-6-0-alpha2-halny-hl-gsfp-sfp-gpon-stick-problems/17547
Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>