KEYS: asymmetric: Add missing dependencies of FIPS_SIGNATURE_SELFTEST

Since the signature self-test uses RSA and SHA-256, it must only be
enabled when those algorithms are enabled.  Otherwise it fails and
panics the kernel on boot-up.

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-lkp/[email protected]
Fixes: 3cde317 ("certs: Add FIPS selftests")
Cc: [email protected]
Cc: Simo Sorce <[email protected]>
Cc: David Howells <[email protected]>
Signed-off-by: Eric Biggers <[email protected]>
Reviewed-by: Jarkko Sakkinen <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>

Author: ebiggers

crypto/asymmetric_keys/Kconfig

@@ -86,5 +86,7 @@ config FIPS_SIGNATURE_SELFTEST
 	depends on ASYMMETRIC_KEY_TYPE
 	depends on PKCS7_MESSAGE_PARSER=X509_CERTIFICATE_PARSER
 	depends on X509_CERTIFICATE_PARSER
+	depends on CRYPTO_RSA
+	depends on CRYPTO_SHA256
 
 endif # ASYMMETRIC_KEY_TYPE