arm64: dts: renesas: r8a779g0: whitehawk: Add overlay for IRQ2

Add an overlay to use IRQ2 on White Hawk GPIO Connector CN4 as a key.

Note that this pin is also used as MD0.  Make sure SW5-1 on the SW Board
is in the OFF position, to avoid IRQ2 being asserted all the time,
causing an interrupt storm.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
1 file changed