base-files: add new public key used by unattended builds

Signed-off-by: John Crispin <[email protected]>

package/base-files/files/etc/opkg/keys/af22f7a88858c8e9

@@ -1,2 +0,0 @@
-untrusted comment: openwrt.org snapshot build key
-RWSvIveoiFjI6WS/h3J8Us0wUEjA53cQLuHJEwOD/sT5JsGvguZjlKmU

package/base-files/files/etc/opkg/keys/b5043e70f9a75cde

@@ -0,0 +1,2 @@
+untrusted comment: LEDE usign key for unattended build jobs
+RWS1BD5w+adc3j2Hqg9+b66CvLR7NlHbsj7wjNVj0XGt/othDgIAOJS+