Change in coreboot[master]: soc/intel/common/thermal: Refactor thermal block to improve reusability

[Subrata Banik (Code Review)]

Attention is currently required from: Maulik V Vaghela, Tim Wawrzynczak, Angel Pons, Patrick Rudolph.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59509 )

Change subject: soc/intel/common/thermal: Refactor thermal block to improve reusability
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Patch Set 4:

(1 comment)

File src/soc/intel/common/block/thermal/Kconfig:

https://review.coreboot.org/c/coreboot/+/59509/comment/2f2ea39c_c0fb0bcb 
PS4, Line 7: config SOC_INTEL_COMMON_BLOCK_THERMAL_PCI_DEV
           : 	bool
           : 	default n
           : 	select SOC_INTEL_COMMON_BLOCK_THERMAL
           : 	help
           : 	  This option allows to configure PCH thermal registers using Thermal PCI device
           : 	  for chipsets till Ice Lake PCH.
           : 
           : config SOC_INTEL_COMMON_BLOCK_THERMAL_BEHIND_PMC
           : 	bool
           : 	default n
           : 	select SOC_INTEL_COMMON_BLOCK_THERMAL
           : 	help
           : 	  This option allows to configure PCH thermal registers using PMC PWRMBASE
           : 	  for chipsets since Tiger Lake PCH.
> Would be good to make these two Kconfig options mutually exclusive. […]

This is good idea to avoid user to select the both unknowingly for any platform.