crypto: kdf - Select hmac in addition to sha256

[ Upstream commit a88592c ]

In addition to sha256 we must also enable hmac for the kdf self-test
to work.

Reported-by: kernel test robot <oliver.sang@intel.com>
Fixes: 304b4ac ("crypto: kdf - select SHA-256 required...")
Fixes: 026a733 ("crypto: kdf - add SP800-108 counter key...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

crypto/Kconfig

@@ -1847,6 +1847,7 @@ config CRYPTO_JITTERENTROPY
 
 config CRYPTO_KDF800108_CTR
 	tristate
+	select CRYPTO_HMAC
 	select CRYPTO_SHA256
 
 config CRYPTO_USER_API