ipq807x: add xunison-d50 support

Signed-off-by: John Crispin <john@phrozen.org>

profiles/xunison_d50-5g.yml

@@ -0,0 +1,16 @@
+profile: xunison_d50-5g
+target: ipq807x
+subtarget: ipq50xx
+description: Build image for the Xunison D50-5G
+image: bin/targets/ipq807x/ipq807x/openwrt-ipq807x-edgecore_eap102-squashfs-sysupgrade.tar
+feeds:
+  - name: ipq807x
+    path: ../../feeds/ipq807x
+include:
+  - wifi-ax
+  - ucentral-ap
+  - wwan
+packages:
+  - ipq807x
+diffconfig: |
+  CONFIG_KERNEL_IPQ_MEM_PROFILE=512