shared_mem device for frdm im8xmp
needs to following in a dts file:
shared_mem_reserved: shared_mem@82000000 {
compatible = "shared-dma-pool";
no-map;
reg = <0 0x82000000 0 0x1000000>;
};
shared_mem {
compatible = "fsl,shared-mem";
status = "ok";
memory-region = <&shared_mem_reserved>;
};