build: move GOARCH environment variable to targets that use it
build: move GOARCH environment variable to targets that use it

This prevents some clutter while running 'make' commands on an
environment where 'go' is not installed. There is no requirement on 'go'
in the case containers are used for building and testing.

Signed-off-by: Niels de Vos <7bda0c0ee7f47171cc808e9e60292cbc5d8140dd@redhat.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi