net: lib: hostap_crypto: Enable PSA support for RNG

As part of moving away from using the legacy Mbed TLS APIs
in ctr_drbg.c and entropy.c, enable PSA support to generate
random numbers.

Fixes NCSDK-31802.

Signed-off-by: Ravi Dondaputi <ravi.dondaputi@nordicsemi.no>

subsys/net/lib/hostap_crypto/Kconfig

@@ -24,19 +24,17 @@ config HOSTAP_CRYPTO_ALT_LEGACY
 	bool "Legacy Crypto support for WiFi using nRF security"
 	select MBEDTLS
 	select NRF_SECURITY
+	select PSA_WANT_GENERATE_RANDOM
 	select MBEDTLS_CIPHER_MODE_CBC
 	select MBEDTLS_CIPHER_MODE_CTR
 	select MBEDTLS_LEGACY_CRYPTO_C
-	select MBEDTLS_ENTROPY_C
 	select MBEDTLS_CIPHER
 	select MBEDTLS_ECP_C
-	select MBEDTLS_CTR_DRBG_C
 	select MBEDTLS_PK_WRITE_C
 	select MBEDTLS_HKDF_C
 	select MBEDTLS_KEY_EXCHANGE_ALL_ENABLED
 	select MBEDTLS_MD_C
 	select MBEDTLS_MD5_C
-	select MBEDTLS_ENTROPY_C
 	select MBEDTLS_CIPHER_PADDING_PKCS7
 	select MBEDTLS_PKCS5_C