lib: add helper for constructing coreboot forwarding table

The x86 architecture needs to add a forwarding table to
the real coreboot table. Provide a helper function to do
this for aligning the architectures on a common
write_tables() implementation.

Change-Id: I9a2875507e6260679874a654ddf97b879222d44e
Signed-off-by: Aaron Durbin <>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <>
2 files changed