removed ticks from password fields

templates/devportal-silent-install.conf.j2

diff --git a/templates/devportal-silent-install.conf.j2 b/templates/devportal-silent-install.conf.j2
index 4b09a12..310e62c 100644
--- a/templates/devportal-silent-install.conf.j2
+++ b/templates/devportal-silent-install.conf.j2
@@ -24,4 +24,4 @@
 SMTPSSL={{ opdk_smtp_ssl }}
 SMTPPORT={{ opdk_smtp_port }}
 SMTPUSER={{ opdk_smtp_user | default(dp_devadmin_user) }}
-SMTPPASSWORD={{ opdk_smtp_password | default(dp_devadmin_pwd) }}
+SMTPPASSWORD='{{ opdk_smtp_password | default(dp_devadmin_pwd) }}'