Merge branch 'nfc-pn533-add-uart-phy-driver'

Lars Poeschel says:

====================
nfc: pn533: add uart phy driver

The purpose of this patch series is to add a uart phy driver to the
pn533 nfc driver.
It first changes the dt strings and docs. The dt compatible strings
need to change, because I would add "pn532-uart" to the already
existing "pn533-i2c" one. These two are now unified into just
"pn532". Then the neccessary changes to the pn533 core driver are
made. Then the uart phy is added.
As the pn532 chip supports a autopoll, I wanted to use this instead
of the software poll loop in the pn533 core driver. It is added and
activated by the last to patches.
The way to add the autopoll later in seperate patches is chosen, to
show, that the uart phy driver can also work with the software poll
loop, if someone needs that for some reason.
In v11 of this patchseries I address a byte ordering issue reported
by kbuild test robot in patch 5/7.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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