Commit
7f1fba22d23e38f12922444880880770a58ffb94
by laforgeosmo-smdpp: use NIST-P256 by default
The eSIM specs allow for both brainpool and nist; in reality the
deployments use the NIST P256 curve.
osmo-smdpp currently only supports a single certificate; let's use the
NIST one by default.
Change-Id: Idc7809f320505279c8a75e9b667be0a2af802f6b