Update early data doument and config dependencies

Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index e3bae2c..3c46971 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1637,15 +1637,12 @@
 *
 * Enable support for RFC 8446 TLS 1.3 early data.
 *
-* Requires: MBEDTLS_SSL_SESSION_TICKETS and either
-*           MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED or
-*           MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED
+* Requires: MBEDTLS_SSL_SESSION_TICKETS
 *
 * Comment this to disable support for early data. If MBEDTLS_SSL_PROTO_TLS1_3
 * is not enabled or both MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED and
-* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED are disabled or
-* MBEDTLS_SSL_SESSION_TICKETS is not enabled, this option does not have any
-* effect on the build.
+* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED are disabled,
+* this option does not have any effect on the build.
 *
 * This feature is experimental, not completed and thus not ready for
 * production.