sn5s330: Test I2C fail in sn5s330_set_vconn()
sn5s330: Test I2C fail in sn5s330_set_vconn()

Test handling of a failed I2C read in sn5s330_set_vconn()

BRANCH=None
BUG=b:225245353
TEST=zmake -D configure --test test-drivers

Signed-off-by: Tristan Honscheid <1e17951ff5ffc8afe254954c03de64afef62fe52@google.com>
Change-Id: I1bb748a057b9b32e5340667546b698e7427539db
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3546942
Reviewed-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec