[S] Change in coreboot[main]: mb/google/rex/var/deku: Update psys_pmax to 180W and FVM itrip setting

[Subrata Banik (Code Review)]

Attention is currently required from: Derek Huang, Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Kapil Porwal, Tarun, Tony Huang.

Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/82176?usp=email )

Change subject: mb/google/rex/var/deku: Update psys_pmax to 180W and FVM itrip setting
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Patch Set 1:

(1 comment)

File src/mainboard/google/rex/variants/deku/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/82176/comment/8f439780_0e2a92ec :
PS1, Line 56: 
            : 	register "psys_pmax_watts" = "180"
please help to submit two different Cls
1. for psys
2. for VR config