Change in coreboot[master]: mb/google/dedede/var/metaknight: Turn off lte power when s0ix

[Paul Menzel (Code Review)]

Attention is currently required from: David Wu, Evan Green, Tim Wawrzynczak, Karthik Ramasubramanian.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55249 )

Change subject: mb/google/dedede/var/metaknight: Turn off lte power when s0ix
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Patch Set 6:

(5 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/55249/comment/d7b0af1c_45a525a3 
PS6, Line 9: Turn off lte power when s0ix for power saving.
Please mention that this is done using ACPI.

https://review.coreboot.org/c/coreboot/+/55249/comment/7040354e_152664b2 
PS6, Line 12: TEST= measure lte power comsumption is 0mV under s0ix
How much was it before?

File src/mainboard/google/dedede/variants/metaknight/include/variant/acpi/lte.asl:

https://review.coreboot.org/c/coreboot/+/55249/comment/046909b1_e0d0b638 
PS6, Line 3: LTE_EN
What does EN mean?

https://review.coreboot.org/c/coreboot/+/55249/comment/bbd97acc_db141ba5 
PS6, Line 5: enter
entering

https://review.coreboot.org/c/coreboot/+/55249/comment/665f35ad_7335a667 
PS6, Line 8: 	If (Arg0) {
Is there a way to check in ACPI/ASL, if the device is present?