Change in coreboot[master]: mb/google/brya/{}: Add SBU orientation property for Type C Mux

[Prashant Malani (Code Review)]

Attention is currently required from: Subrata Banik, Maulik V Vaghela, Tim Wawrzynczak, Meera Ravindranath, Nick Vaccaro, Prashant Malani, Rajat Jain.
Prashant Malani has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61622 )

Change subject: mb/google/brya/{}: Add SBU orientation property for Type C Mux
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Patch Set 6:

(2 comments)

File src/mainboard/google/brya/variants/felwinter/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/61622/comment/963223a4_a10a49d2 
PS6, Line 328: # SBU is fixed, HSL follows CC
             : 						register "sbu_orientation" = "TYPEC_ORIENTATION_NORMAL"
Sorry for the late comment here: Why does the other port not need this? Is only this port the one which has a retimer?

File src/mainboard/google/brya/variants/taeko/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/61622/comment/95e1a5e1_7781fa8d 
PS6, Line 450: # SBU is fixed, HSL follows CC
             : 						register "sbu_orientation" = "TYPEC_ORIENTATION_NORM
Does the other port not use a retimer?