doc(swagger): add cpu-config and entropy in vm config

This updates firecracker.yaml to reflect the implementation.

cpu-config field was added by:

commit 9da9619
Author: Takahiro Itazuri <[email protected]>
Date:   Wed Apr 26 13:55:21 2023 +0000

    feat: Add "cpu-config" to config file

entropy field was added by:

commit 250036d
Author: Babis Chalios <[email protected]>
Date:   Wed Nov 23 09:52:28 2022 +0000

    feat(entropy): plug in with API

Signed-off-by: Nikita Kalyazin <[email protected]>

Author: kalyazin

src/firecracker/swagger/firecracker.yaml

@@ -927,6 +927,8 @@ definitions:
           $ref: "#/definitions/Drive"
       boot-source:
         $ref: "#/definitions/BootSource"
+      cpu-config:
+        $ref: "#/definitions/CpuConfig"
       logger:
         $ref: "#/definitions/Logger"
       machine-config:
@@ -942,6 +944,8 @@ definitions:
           $ref: "#/definitions/NetworkInterface"
       vsock:
         $ref: "#/definitions/Vsock"
+      entropy:
+        $ref: "#/definitions/EntropyDevice"
 
   InstanceActionInfo:
     type: object