base.install: Fixing variable definition
base.install: Fixing variable definition

Commit dc837462137fc1910d676ede0d98a283a685a396 did use $() for a
variable instead of ${}

In bash, $() is for running commands.. That was making the build
failing.

enovance/edeploy,redhat-cip/edeploy,lebauce/edeploy,enovance/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy,lebauce/edeploy,enovance/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,enovance/edeploy