arm: dts: mt7623: remove unused compatible string for pio node

MT7623 has its own compatible in pinctrl driver so we don't need the
backward compatible for it.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Ryder Lee 2017-10-20 17:46:47 +08:00 • committed by Matthias Brugger
commit eb54a522f1