[S] Change in coreboot[master]: sb/intel: Use boolean for docking_supported

[Eric Lai (Code Review)]

Attention is currently required from: Stefan Ott, Evgeny Zinoviev, Alexander Couzens, Elyes Haouas.

Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70111 )

Change subject: sb/intel: Use boolean for docking_supported
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Patch Set 4: Code-Review+2

(4 comments)

File src/mainboard/getac/p470/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/70111/comment/2d04f544_5ae24a53 
PS4, Line 48: 1
> true

Ack

File src/mainboard/lenovo/t60/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/70111/comment/6f557ef7_7d9af664 
PS4, Line 66: 1
> true

Ack

File src/mainboard/lenovo/x60/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/70111/comment/0fa8eb9c_6919ab38 
PS4, Line 60: 1
> true

Ack

File src/mainboard/roda/rk886ex/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/70111/comment/685b2de9_2fa91f3c 
PS4, Line 43: 1
> true

Ack