[S] Change in coreboot[master]: lib/fw_config: Make fw_config_is_provisioned() always available

[Jakub Czapiga (Code Review)]

Attention is currently required from: Eric Lai, Julius Werner, Martin L Roth.

Jakub Czapiga has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/75835?usp=email )

Change subject: lib/fw_config: Make fw_config_is_provisioned() always available
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Patch Set 2:

(1 comment)

File src/lib/fw_config.c:

https://review.coreboot.org/c/coreboot/+/75835/comment/f691187d_d9631ce8 :
PS1, Line 100: 	return fw_config_get() != UNDEFINED_FW_CONFIG;
> FW config may not provision in SMT. We need this check I think. […]

OK, so I moved `fw_config_is_provisioned()` implementation to the header file. `fw_config_get()` has weak implementation in the `src/lib/coreboot_table.c`, so it will always be available.