linux-phytec-ti

arm64: dts: ti: k3-j721e-mcu-wakeup: Add ADC nodes

J721E has two ADC IP instances that is similar to AM65x and AM33xx. Add
DT nodes for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>