zephyr: test: failing reg_track_ctrl for battery
zephyr: test: failing reg_track_ctrl for battery

At initialization, the ln9310 driver for chips with the 2S battery cell
type access the reg_track_ctrl register to check the battery's voltage.

Verify a failure to read this register is appropriately handled.

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

Signed-off-by: Aaron Massey <79529a820df71f45023239a3663736629646cc34@google.com>
Change-Id: I2e5202795ea57fb2754e9e10adc5d89d25069eeb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3252927
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