cmd: upl: initialize unit test state

do_upl_write() calls upl_get_test_data() which may increment the fail
count in the unit test state. We should initialize it.

Addresses-Coverity-ID: 510465 Uninitialized scalar variable
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed