fw_util: add DARWIN48V platform support

[adamcalabrigo]

Description

Adds initial fw_util support for DARWIN48V platform. The config is mostly the same as DARWIN, with the one deviation being that we now support upgrading the sc_scd target via flashrom using the scd-spi driver (similar to MERU800BIA platform).

Test Plan

FBOSS OSS build passes with CentOS 9 and Linux kernel 6.4.

Validated on DARWIN48V hardware with all targets.

# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=bios
I0905 18:02:16.545376  6389 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
bios : 7.5.2
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=cpu_cpld
I0905 18:02:24.277890  6394 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
cpu_cpld : 22.37
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=sc_cpld
I0905 18:02:29.067325  6398 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
sc_cpld : 13.7
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=sc_scd
I0905 18:02:34.329194  6406 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
sc_scd : 14.6
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=sc_sat_cpld0
I0905 18:02:40.057369  6410 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
sc_sat_cpld0 : 5.0
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=sc_sat_cpld1
I0905 18:02:43.650451  6414 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
sc_sat_cpld1 : 5.0
# fw_util --config_file=/opt/fboss/share/platform_configs/fw_util.json --fw_action=version --fw_target_name=fan_cpld
I0905 18:02:48.332357  6418 ConfigLib.cpp:48] Using config file: /opt/fboss/share/platform_configs/fw_util.json
fan_cpld : 4.0

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@adamcalabrigo has updated the pull request. You must reimport the pull request before landing.

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@joancaneus has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.