ieee820154: add channel set support

This patch adds page and channel setting support to nl802154 framework.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/ieee802154/rdev-ops.h b/net/ieee802154/rdev-ops.h
index ac8824e..8a3b0eb 100644
--- a/net/ieee802154/rdev-ops.h
+++ b/net/ieee802154/rdev-ops.h
@@ -20,4 +20,11 @@
 	rdev->ops->del_virtual_intf_deprecated(&rdev->wpan_phy, dev);
 }
 
+static inline int
+rdev_set_channel(struct cfg802154_registered_device *rdev, const u8 page,
+		 const u8 channel)
+{
+	return rdev->ops->set_channel(&rdev->wpan_phy, page, channel);
+}
+
 #endif /* __CFG802154_RDEV_OPS */