Revert "ethernet: octeontx2: avoid linking objects into multiple modules"

This reverts commit 727c94c9.

Stephen reports that this commit causes a circular module dependency
for him. Revert, and we'll try to address the problem, again.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/all/20240531152223.25591c8e@canb.auug.org.au


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