Change in coreboot[master]: mb/google/brya/var/vell: Change AMP driver setting

[Robert Chen (Code Review)]

Attention is currently required from: Kevin Chiu, Subrata Banik, Tim Wawrzynczak, Paul Menzel, Angel Pons, Nick Vaccaro, Name of user not set #1004174, Shon Wang.
Robert Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60331 )

Change subject: mb/google/brya/var/vell: Change AMP driver setting
......................................................................

Patch Set 33:

(3 comments)

File src/mainboard/google/brya/variants/vell/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/60331/comment/bf2b58f8_af3beb92 
PS32, Line 173: 		device ref i2c0 on
> these are all missing the entry to set them to external boost: […]

Done

https://review.coreboot.org/c/coreboot/+/60331/comment/170f0cf6_8b12d34a 
PS32, Line 177: register "boost_peak_milliamp" = "4500"
              : 				register "boost_ind_nanohenry" = "BOOST_IND_1000_NH"
              : 				register "boost_cap_microfarad" = "24"
> these aren't required for external boost. […]

Done

https://review.coreboot.org/c/coreboot/+/60331/comment/d6a2dcc1_ebecff95 
PS32, Line 182: register "gpio_src_select[0]" = "GPIO_SRC_HIGH_IMPEDANCE"
> the driver will override this anyway, so not critical, but gpio_src_select[0] should be GPIO_SRC_GPI […]

Done