For consistency.

* extmod/foundation-rust/include/foundation.h: Re-generate file.
* extmod/foundation-rust/src/secp256k1.rs
(foundation_secp256k1_schnorr_sign): Rename this ...
(foundation_secp256k1_sign_schnorr): ... to this.
* extmod/foundation/modfoundation-secp56k1.h
(mod_foundation_secp256k1_sign_schnorr): Update.

* extmod/foundation-rust/include/foundation.h: Re-generate file.
* extmod/foundation-rust/src/secp256k1.rs
(foundation_secp256k1_sign_ecdsa): New function.
* extmod/foundation/modfoundation-secp56k1.h
(mod_foundation_secp256k1_sign_ecdsa): New function.
(mod_foundation_secp256k1_sign_ecdsa_obj): New variable.
(mod_foundation_secp256k1_globals_table): Add MP_QSTR_sign_ecdsa.

* extmod/foundation/modfoundation-secp56k1.h
(mod_foundation_secp256k1_public_key_schnorr): New function.
(mod_foundation_secp256k1_public_key_schnorr_obj): New variable.
(mod_foundation_secp256k1_globals_table): Add MP_QSTR_public_key_schnorr.
* extmod/foundation-rust/include/foundation.h: Re-generate file.
* extmod/foundation-rust/src/secp256k1.rs
(secp256k1_public_key_schnorr): New function.

* ports/stm32/boards/Passport/modules/tasks/nostr_key_task.py
(nostr_key_task): Use secp256k1.public_key_schnorr instead of
nostr_pubkey_from_pk.
* ports/stm32/boards/Passport/modules/utils.py
(nostr_pubkey_from_pk): Remove function.

* ports/stm32/boards/Passport/modules/tasks/sign_psbt_task.py
(sign_psbt_task): Use foundation.secp256k1.sign_ecdsa.
* ports/stm32/boards/Passport/modules/utils.py
(sign_message_digest): Ditto.

* extmod/trezor-firmware/core/embed/extmod/modtrezorcrypto/modtrezorcrypto.c:
(modtrezorcrypto-secp256k1.h): Remove inclusion.
(mp_module_trezorcrypto_globals_table): Remove MP_QSTR_secp256k1.

* py/py.mk (PY_EXTMOD_O_BASENAME): Remove
extmod/trezor-firmware/crypto/shamir.o and
extmod/trezor-firmware/crypto/schnorr.o.

* extmod/trezor-firmware/core/embed/extmod/modtrezorcrypto/modtrezorcrypto.c
(FOUNDATION_ADDITIONS): Remove definition.
* py/py.mk (CFLAGS_MOD): Add -DFOUNDATION_ADDITIONS=1.

* extmod/trezor-firmware/crypto/bip32.c (get_curve_by_name): Disable
getting nist256p1 information to avoid linking.
* py/py.mk (PY_EXTMOD_O_BASENAME): Remove
extmod/trezor-firmware/crypto/nist256p1.o.

* extmod/trezor-firmware/crypto/bip32.c: Avoid using unused curves.
* extmod/trezor-firmware/crypto/hasher.c: Disable various hashes.
* extmod/trezor-firmware/crypto/hasher.h: Ditto.
* extmod/trezor-firmware/crypto/secp256k1.c: Remove unused curves.
* py/py.mk (PY_EXTMOD_O_BASENAME): Remove
extmod/trezor-firmware/crypto/groestl.o,
extmod/trezor-firmware/crypto/blake256.o,
extmod/trezor-firmware/crypto/blake2b.o and
extmod/trezor-firmware/crypto/blake2s.o.

* py/py.mk (CFLAGS_MOD): Add -DUSE_PRECOMPUTED_CP=0.

* extmod/foundation-rust/Cargo.toml (dependencies) <secp256k1>: Enable
lowmemory feature.

* extmod/foundation-rust/Cargo.lock: Update lockfile.
* extmod/foundation-rust/Cargo.toml (dependencies) <bitcoin_hashes>: New
dependency, enable small-hash.