KEYS: trusted_tpm1: Use SHA-1 library instead of crypto_shash

KEYS: trusted_tpm1: Use SHA-1 library instead of crypto_shash

Use the SHA-1 and HMAC-SHA1 library functions instead of crypto_shash.
This is simpler and faster.

Replace the selection of CRYPTO, CRYPTO_HMAC, and CRYPTO_SHA1 with
CRYPTO_LIB_SHA1 and CRYPTO_LIB_UTILS.  The latter is needed for
crypto_memneq() which was previously being pulled in via CRYPTO.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>