mbedtls: re-enable RC4 support (needed by transmission and others)

Signed-off-by: Felix Fietkau <[email protected]>

package/libs/mbedtls/patches/200-config.patch

@@ -174,15 +174,6 @@
  
  /**
   * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
-@@ -1501,7 +1501,7 @@
-  *      MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA
-  *      MBEDTLS_TLS_PSK_WITH_RC4_128_SHA
-  */
--#define MBEDTLS_ARC4_C
-+//#define MBEDTLS_ARC4_C
- 
- /**
-  * \def MBEDTLS_ASN1_PARSE_C
 @@ -1621,7 +1621,7 @@
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256