package/libgpg-error: enable host-variant
libgpg-error is needed by libassuan and libgpgme, the latter
being needed for skopeo (to come in a followup patch).
Signed-off-by: Yann E. MORIN <yann.morin@orange.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>