[dv] fix keymgr functest dvsim target
[dv] fix keymgr functest dvsim target

Since dvsim.py now uses Bazel instead of meson to build SW images, the
build target must be updated.

Signed-off-by: Timothy Trippel <77eacc84f9735d3cbb55a271710be269fc3a5818@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan