vboot: move PERIPHERAL_BUSY to vboot2 namespace

Move VBERROR_PERIPHERAL_BUSY to vboot2 namespace as:
  VB2_ERROR_EX_AUXFW_PERIPHERAL_BUSY

BUG=b:124141368, chromium:988410
TEST=make clean && make runtests
BRANCH=none

Change-Id: Iebc7d73e3a87a8bd4d999be56ad23d6b77d9785c
Signed-off-by: Joel Kitching <kitching@google.com>
Cq-Depend: chromium:2158865
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2158512
Reviewed-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
Tested-by: Joel Kitching <kitching@chromium.org>
1 file changed