Remove MBEDTLS_SSL_MAX_CONTENT_LEN option

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/ChangeLog.d/remove-max-content-len.txt b/ChangeLog.d/remove-max-content-len.txt
new file mode 100644
index 0000000..b7607e6
--- /dev/null
+++ b/ChangeLog.d/remove-max-content-len.txt
@@ -0,0 +1,4 @@
+Removals
+   * Remove MBEDTLS_SSL_MAX_CONTENT_LEN configuration option, since
+     MBEDTLS_SSL_IN_CONTENT_LEN and MBEDTLS_SSL_OUT_CONTENT_LEN replace
+     it. Fixes #4362.