Release:RK3188_R-BOX_ANDROID4.2.2-SDK_V1.0.0_130514
Solve ap6xxx wifi Module cannot open and add hotdog defconfig
update defconfig
update nand driver to linux-nand-driver_Patch_V1.9
I2s: capture fixed SNDRV_PCM_RATE_44100.
I2s: fix restart i2s dma cannot read/write data.
Serial:make Seral output available
Merge branch 'master' of 172.16.10.211:rk3188/box/4.2.2_r1
HDMI:
	1. Disable YCbCr output.
	2. Support auto configure resolution according EDID.
Update Graphics:
	1. Improve graphic performance.
	2. To support video overlay mode, video.use.overlay which is defined in device.mk need set to 1.
	   Wanning: Overlay mode is only support for HDMI output,
it66121: support sleep mode.
Important update:Optimized dvfs/ddr/clock_data/cpufreq
                 for RK3188 which Optimized by FT test method
update:Optimized dvfs、clock_data etc for rk3188
it66121: when removed, hpd status is set to zero.
it66121: set default status to enabled.
it66121: modify delay1ms function for more precious delay.
update wifi and bt drivers
fb: fix 3188 lcdc-fb mirror error.
fix logo and recovery picture display error when hdmi is not 1080P in overlay mode.
fix rk1000 tvout probe failed error.