sm: Support import of PKCS#12 encoded ECC private keys.
* sm/minip12.c: Include ksba.h. (oid_pcPublicKey): New const. (parse_bag_data): Add arg 'r-curve'. Support parsing of ECC private keys. (p12_parse): Add arg 'r_curve'. * sm/import.c (parse_p12): Support ECC import.
- GnuPG-bug-id: T4921
- Signed-off-by: Werner Koch <wk@gnupg.org>