linux-imx

ARM: dts: am437x-gp-evm: Add sleep state for beeper pins

Add sleep state for beeper pins. Without this there was a power
increase during the suspend and standby states on V3_3D domain.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>