net: dsa: tag_sja1105: remove "inline" keyword

The convention is to not use the "inline" keyword for functions in C
files, but to let the compiler choose.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240206112927.4134375-2-vladimir.oltean@nxp.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>