package/nfs-utils: only install fsidd binary and unit file with enabled nfsd

FSID daemon and its systemd unit file both depend on
BR2_PACKAGE_NFS_UTILS_RPC_NFSD but they're now always installed. Remove them
both if BR2_PACKAGE_NFS_UTILS_RPC_NFSD is disabled.

Reviewed-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Jan Čermák <sairon@sairon.cz>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit dc3464c4b6da12c9d8809ada5bf7b26de0f7414c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nfs-utils/nfs-utils.mk

@@ -42,7 +42,8 @@ NFS_UTILS_TARGETS_$(BR2_PACKAGE_NFS_UTILS_RPCDEBUG) += usr/sbin/rpcdebug
 NFS_UTILS_TARGETS_$(BR2_PACKAGE_NFS_UTILS_RPC_LOCKD) += usr/sbin/rpc.lockd
 NFS_UTILS_TARGETS_$(BR2_PACKAGE_NFS_UTILS_RPC_RQUOTAD) += usr/sbin/rpc.rquotad
 NFS_UTILS_TARGETS_$(BR2_PACKAGE_NFS_UTILS_RPC_NFSD) += usr/sbin/exportfs \
-	usr/sbin/rpc.mountd usr/sbin/rpc.nfsd usr/lib/systemd/system/nfs-server.service
+	usr/sbin/rpc.mountd usr/sbin/rpc.nfsd usr/lib/systemd/system/nfs-server.service \
+	usr/sbin/fsidd usr/lib/systemd/system/fsidd.service
 
 ifeq ($(BR2_PACKAGE_NFS_UTILS_NFSV4),y)
 NFS_UTILS_CONF_OPTS += --enable-nfsv4 --enable-nfsv41