ARM: dts: bcm2835-rpi-zero-w: Fix GPIO line name for Wifi/BT

[ Upstream commit 2c663e5e5bbf2a5b85e0f76ccb69663f583c3e33 ]

The GPIOs 30 to 39 are connected to the Cypress CYW43438 (Wifi/BT).
So fix the GPIO line names accordingly.

Fixes: 2c7c040c ("ARM: dts: bcm2835: Add Raspberry Pi Zero W")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>