kernel: b53: support phy ids for BCM5365

BCM5365 (and probably other older variants) use a different phy id, so
the phy driver never attached for them.
Fix this by adding the appropriate phy id to the fixup and the phy
driver.

Reported-by: Russell Senior <russell@personaltelco.net>
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37906 3c298f89-4303-0410-b956-a3cf2f4a3e73