net: qede: add extack in qede_add_tc_flower_fltr()

Define extack locally, to reduce line lengths and aid future users.

Only compile tested.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240508143404.95901-11-ast@fiberby.net


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