package/skopeo: add missing dependency on host go arch support
Fixes:
commit 619b83a4438667cdb4cc8a7dddc79dbf6d84ec2a
http://autobuild.buildroot.org/results/d1c41157ddace09399a3fc101026ae451c6a918a/
Signed-off-by: Yann E. MORIN <yann.morin@orange.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>