[wpa_supplicant] Cumulative patch from b8491ae5a

Also revert local solution for encrypted IMSI and use the upstream version.

Bug: 134177972
Test: Device boots up and connects to WPA3/OWE wifi networks, run traffic.
Test: Able to turn on/off softap, associate wifi STA, run traffic.
Test: Regression test passed (Bug: 137653009)
Change-Id: Ie34a0138a3a2039b03101c788b43acbb33f8332a
diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h
index 5219022..8054bbe 100644
--- a/src/crypto/sha256.h
+++ b/src/crypto/sha256.h
@@ -20,9 +20,9 @@
 int sha256_prf_bits(const u8 *key, size_t key_len, const char *label,
 		    const u8 *data, size_t data_len, u8 *buf,
 		    size_t buf_len_bits);
-void tls_prf_sha256(const u8 *secret, size_t secret_len,
-		    const char *label, const u8 *seed, size_t seed_len,
-		    u8 *out, size_t outlen);
+int tls_prf_sha256(const u8 *secret, size_t secret_len,
+		   const char *label, const u8 *seed, size_t seed_len,
+		   u8 *out, size_t outlen);
 int hmac_sha256_kdf(const u8 *secret, size_t secret_len,
 		    const char *label, const u8 *seed, size_t seed_len,
 		    u8 *out, size_t outlen);