[M] Change in coreboot[master]: soc/amd/common/acpi: Implement DTTS Proposal

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Nien, EricKY Cheng, Matt DeVillier, Paul Menzel, Eric Lai, Martin Roth, Eric Peers, LeilaCY Lin, Jason Glenesk, Caveh Jalali, Tim Wawrzynczak, Fred Reitberger, Karthikeyan Ramasubramanian, Boris Mittelberg, Felix Held.

Raul Rangel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68471 )

Change subject: soc/amd/common/acpi: Implement DTTS Proposal
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Patch Set 73: Code-Review+2

(5 comments)

File src/soc/amd/common/acpi/DTTS.asl:

https://review.coreboot.org/c/coreboot/+/68471/comment/de51645d_68cc636e 
PS42, Line 42: 123
> Hi Raul, […]

Done

File src/soc/amd/common/acpi/dptc.asl:

https://review.coreboot.org/c/coreboot/+/68471/comment/470202ac_be2d0c0d 
PS71, Line 7: #if CONFIG(FEATURE_DYNAMIC_DPTC)
            : #include <soc/amd/common/acpi/dtts.asl>
> In the  skyrim/dsdt.asl  add the following block: […]

Done

https://review.coreboot.org/c/coreboot/+/68471/comment/8627478f_44234e2d 
PS71, Line 10: External(_SB.DTTB, MethodObj)
             : External(_SB.DTTC, MethodObj)
             : External(_SB.DTTD, MethodObj)
             : External(_SB.DTTE, MethodObj)
             : External(_SB.DTTF, MethodObj)
> In the  skyrim/dsdt.asl  add the following block: […]

Done

File src/soc/amd/common/acpi/dptc.asl:

https://review.coreboot.org/c/coreboot/+/68471/comment/eb833b84_5f00a4e5 
PS73, Line 34:  If (CondRefOf (_SB.DTTS))
             :         {
Nit:
Could replace this with a #if now:
```
#if CONFIG(FEATURE_DYNAMIC_DPTC)
_SB.DTTS()
Return (Zero)
#endif
``

File src/soc/amd/common/acpi/dtts.asl:

https://review.coreboot.org/c/coreboot/+/68471/comment/010921d3_b5481b03 
PS71, Line 28: TIN4 >= 123
> I am not sure what is the meaning of below […]

Done