This patch adds support to RK RC driver, which is basically a IR
receiver. This IP (PWM) is common across all the RK parts for
settop box platforms.
It implements a simple NEC protocol decoder.
Change-Id: I057a341acaeb14d0165bd6187c4074dd230b079f
Signed-off-by: Zhangbin Tong <zebulun.tong@rock-chips.com>
Zhangbin Tong