[M] Change in coreboot[main]: util/intelp2m/platforms: Add support for Elkhart Lake

[Maxim (Code Review)]

Attention is currently required from: Alexander Couzens.

Maxim has posted comments on this change by Alexander Couzens. ( https://review.coreboot.org/c/coreboot/+/84191?usp=email )

Change subject: util/intelp2m/platforms: Add support for Elkhart Lake
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Patch Set 4:

(6 comments)

Patchset:

PS4: 
1) Add unit tests.
2) Rebase to the top of the topic `pad2macro` - https://review.coreboot.org/q/topic:%22pad2macro%22 .
3) Use `Apollo Lake SoC` as the base platform.
4) `make test` = PASS.
5) `./intelp2m -platform ehl -file parser/testlog/inteltool_test.log` = no errors

File util/intelp2m/platforms/ehl/macro.go:

https://review.coreboot.org/c/coreboot/+/84191/comment/e0a89480_d4a50b8c?usp... :
PS3, Line 151: func (PlatformSpecific) GpiMacroAdd() {
>

Done

https://review.coreboot.org/c/coreboot/+/84191/comment/5c8f5fb3_580efce5?usp... :
PS3, Line 204: func (PlatformSpecific) GpoMacroAdd() {
>

Done

https://review.coreboot.org/c/coreboot/+/84191/comment/98108515_0fce05ba?usp... :
PS3, Line 236: func (PlatformSpecific) NativeFunctionMacroAdd() {
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Done

https://review.coreboot.org/c/coreboot/+/84191/comment/46c12844_6cc4e85a?usp... :
PS3, Line 268: func (PlatformSpecific) NoConnMacroAdd() {
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Done

https://review.coreboot.org/c/coreboot/+/84191/comment/d97a7188_680ff074?usp... :
PS3, Line 302: 	macro := common.GetInstanceMacro(PlatformSpecific{}, fields.InterfaceGet())
>

Done