[FIX] point_of_sale: Fix locale variable for the IoT Box

We change the locale variable from en_GB to en_US.
But we need to re-generate variables.

X-original-commit: 0c5b5078872263a160fac56a1c326620c5e1d765

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init_posbox_image.sh

@@ -12,9 +12,12 @@ __base="$(basename ${__file} .sh)"
 export DEBIAN_FRONTEND=noninteractive
 echo "nameserver 8.8.8.8" >> /etc/resolv.conf
 
+# set locale to en_US
+echo "set locale to en_US"
 echo "export LANGUAGE=en_US.UTF-8" >> ~/.bashrc
 echo "export LANG=en_US.UTF-8" >> ~/.bashrc
 echo "export LC_ALL=en_US.UTF-8" >> ~/.bashrc
+locale-gen
 source ~/.bashrc
 
 apt-get update && apt-get -y upgrade

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/locale.gen

@@ -0,0 +1,7 @@
+# This file lists locales that you wish to have built. You can find a list
+# of valid supported locales at /usr/share/i18n/SUPPORTED, and you can add
+# user defined locales to /usr/local/share/i18n/SUPPORTED. If you change
+# this file, you need to rerun locale-gen.
+#
+
+en_US.UTF-8 UTF-8