ramips: add kmod-mt7615e to Phicomm K2P images

Now that the mt76 driver supports the MT7615D chip found on these
devices, use it.

Also add the wpad-basic package.

Note: the driver supports operation on both the 2.4 GHz and the
      5 GHz bands, but not yet concurrently.

Signed-off-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>

target/linux/ramips/image/mt7621.mk

@@ -469,6 +469,7 @@ define Device/phicomm_k2p
   DEVICE_VENDOR := Phicomm
   DEVICE_MODEL := K2P
   SUPPORTED_DEVICES += k2p
+  DEVICE_PACKAGES := kmod-mt7615e wpad-basic
 endef
 TARGET_DEVICES += phicomm_k2p