meson: add subproject support

Enable building the repository outside of an OpenBMC Docker container or
SDK by leveraging meson subproject support. Copy wrap files from
elsewhere in the organization

meson: add subproject support

Enable building the repository outside of an OpenBMC Docker container or
SDK by leveraging meson subproject support. Copy wrap files from
elsewhere in the organization and update the meson dependencies for some
missing dependencies.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9f2cdc310cbee3fd4ee911cca5e339c4e1ebb94f

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