Add service_binding proto and the http proto which uses it, and related types

protos.yaml

@@ -226,3 +226,30 @@
       type: uint64_t
     - name: file_name[]
       type: wchar_t
+
+- name: service_binding
+  methods:
+    - name: create_child
+      args:
+        - name: child_handle
+          type: uefi::handle *
+    - name: destroy_child
+      args:
+        - name: child_handle
+          type: uefi::handle
+
+- name: http
+  guid: "0x7a59b29b,0x910b,0x4171,{0x82,0x42,0xa8,0x5a,0x0d,0xf2,0x5b,0x5b}"
+  bindings:
+    - name: service_binding
+      guid: "0xbdc8e6af,0xd9bc,0x4379,{0xa7,0x2a,0xe0,0xc4,0xe7,0x5d,0xae,0x1c}"
+  methods:
+    - name: get_mode_data
+      args:
+        - name: http_config_data
+          type: uefi::http_config_data *
+    - name: configure
+    - name: request
+    - name: cancel
+    - name: response
+    - name: poll