Change in coreboot[master]: soc/intel/{common,apl,glk}: introduce Kconfig denoting SoCs w/o PM Timer

[Michael Niewöhner (Code Review)]

Attention is currently required from:  Felix Singer, Lance Zhao, Nico Huber, Furquan Shaikh, Tim Wawrzynczak, Paul Menzel, Angel Pons, Subrata Banik, Andrey Petrov, Patrick Rudolph.
Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57931 )

Change subject: soc/intel/{common,apl,glk}: introduce Kconfig denoting SoCs w/o PM Timer
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Set Ready For Review