Introduce single CAMELLIA error code for bad input data

Deprecate the old specific error codes
* MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
* MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
diff --git a/ChangeLog b/ChangeLog
index ff413d8..392ba31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,6 +35,10 @@
      - MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH
      - MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH
      in favour of a new single error MBEDTLS_ERR_ARIA_BAD_INPUT_DATA.
+   * Deprecate the CAMELLIA error constants
+     - MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
+     - MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
+     in favour of a new single error MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA.
 
 New deprecations
    * Deprecate mbedtls_ctr_drbg_update and mbedtls_hmac_drbg_update