Add ability to specify AcceptEnv

Change-Id: I2ace8eeef860355139587347231b6de8a6ec486b
diff --git a/openssh/files/sshd_config b/openssh/files/sshd_config
index ea0afeb..9e5ee53 100755
--- a/openssh/files/sshd_config
+++ b/openssh/files/sshd_config
@@ -128,6 +128,9 @@
 
 # Allow client to pass locale environment variables
 AcceptEnv LANG LC_*
+{%- if server.get('accept_env', [])|length > 0 %}
+AcceptEnv {{ server.accept_env|join(' ') }}
+{%- endif %}
 
 Subsystem sftp {{ server.lib_dir }}/sftp-server