depthcharge: remove GBB read functionality

GBB reading is now handled by vboot, and exposed via API
* vb2api_gbb_get_flags
* vb2api_gbb_read_hwid

cparams, cparams_init, and gbb_copy_in are no longer used,
and may be removed.

BUG=b:124141368, chromium:954774
TEST=Build locally

Change-Id: I04cbd67dbc1bb4fed07ed1615588fc30b2c94ee6
Signed-off-by: Joel Kitching <>
Tested-by: Joel Kitching <>
Auto-Submit: Joel Kitching <>
Reviewed-by: Furquan Shaikh <>
Reviewed-by: Julius Werner <>
Commit-Queue: Joel Kitching <>
2 files changed