drm/panel: waveshare-dsi: Add defensive initialization for I2C/DSI timing #4351

Job	Run time
build (bcm2711, arm64, bcm2711_defconfig, kernel8)	22m 42s
build (bcm2835, arm, bcm2835_defconfig, kernel)	6m 33s
build (bcm2709, arm, bcm2709_defconfig, kernel7)	19m 34s
build (bcm2712, arm64, bcm2712_defconfig, kernel_2712)	23m 1s
build (bcmrpi, arm, bcmrpi_defconfig, kernel)	18m 24s
build (arm64, arm64, defconfig, kernel8)	19m 18s
build (bcm2711_rt, arm64, bcm2711_rt_defconfig, kernel8_rt)	24m 22s
	2h 13m 54s

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