net: sfp: pre-parse the module support

Pre-parse the module support on insert rather than when the upstream
requests the data. This will allow more flexible and extensible
parsing.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1uydVZ-000000061WE-2pXD@rmk-PC.armlinux.org.uk


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