zephyr: test: verify ln9310 update_startup failure
zephyr: test: verify ln9310 update_startup failure

When the ln9310 driver is initializing, it updates the chip startup
sequence registers.

Verify the driver behavior is appropriate.

BRANCH=none
BUG=b:184856083
TEST=zmake configure --test zephyr/test/drivers

Signed-off-by: Aaron Massey <79529a820df71f45023239a3663736629646cc34@google.com>
Change-Id: I74af11d1658dfbd2e6d2e2d3e7e57d7103eafa79
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3252926
Reviewed-by: Yuval Peress <50dc11c009bd4d7e9d9d15a383c1743ce5ee82ef@google.com>

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