* Realtek Video Memory controller

Required properties:
- compatible: Should be "realtek,rts3903-ispmem"
- memory-region: The video reserved memory
- use-adma: Use adma or not
- reserve-size: The size for fix memory

Example:
	rtsmem: rts_isp_mem {
		compatible = "realtek,rts3903-ispmem";
		memory-region = <&video_reserved>;
		use-adma;
		reserve-size = <0x1900000>;
	};


