[S] Change in coreboot[main]: arch/x86/cpu_common: Add cpu_get_c_state_support

[Kyösti Mälkki (Code Review)]

Attention is currently required from: Patrick Rudolph.

Kyösti Mälkki has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78224?usp=email )

Change subject: arch/x86/cpu_common: Add cpu_get_c_state_support
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Patch Set 1:

(2 comments)

File src/arch/x86/cpu_common.c:

https://review.coreboot.org/c/coreboot/+/78224/comment/2ba12dac_8f258399 :
PS1, Line 201: 	    (state > 4))
I don't mind it like this, but would fit previous line.

File src/arch/x86/include/arch/cpu.h:

https://review.coreboot.org/c/coreboot/+/78224/comment/921f2279_9a601075 :
PS1, Line 324: uint8_t cpu_get_c_substate_support(const int lvl);
Rename lvl to state to match .c.