lib: crypto: fix ASYMMETRIC_KEY_TYPE dependency

Fix the dependency to avoid a warning if RSA_VERIFY_WITH_PKEY is enabled.

Fixes: b7463f198da6 ("Make ASYMMETRIC_KEY_TYPE depend on FIT_SIGNATURE")
Signed-off-by: Tomas Paukrt <tomaspaukrt@email.cz>
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index 6e0656a..742f6d9 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -1,6 +1,6 @@
 menuconfig ASYMMETRIC_KEY_TYPE
 	bool "Asymmetric (public-key cryptographic) key Support"
-	depends on FIT_SIGNATURE
+	depends on FIT_SIGNATURE || RSA_VERIFY_WITH_PKEY
 	help
 	  This option provides support for a key type that holds the data for
 	  the asymmetric keys used for public key cryptographic operations such