[Platform] [EFR32] Doesn't have a tool for users to provide factory commisonableData

[jmartinez-silabs]

Reproduction steps

Silabs example use the TEST_Setup values for the Discriminator, Passcode and Spak2p data.
There is no easy way for users to use different values for the PASE session.

Platform

efr32

Platform Version(s)

all

Type

Manually tested with SDK, CI tested, Platform validated

(Optional) If manually tested please explain why this is only manually tested

No response

Anything else?

No response