[bazel] fix `.bazelrc` ot platform config
[bazel] fix `.bazelrc` ot platform config

PR #14081 replaced bazel_embedded with with the `crt` Bazel repository.
However it forgot to update the `.bazelrc` file.

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

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