Hauke Mehrtens abea1127c9 ar71xx: add function to access the GPIO function2 register
Add access to the function2 gpio register. This probably has to be
converted into a pimux driver later on. This is needed for some setup
functions on the Arduino Yun.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 47449
2015-11-10 23:10:11 +00:00
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