Merge branch 'net-phy-add-comments-for-lan8742-phy-support'

Yuiko Oshino says:

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net: phy: add comments for LAN8742 phy support

Add comments for 0xfffffff2 phy ID mask for the LAN8742 and the LAN88xx, explaining that they can coexist and allow future hardware revisions.
Also add one missing tab in smsc.c.
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Link: https://lore.kernel.org/r/20220509185804.7147-1-yuiko.oshino@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>