Firecracker is GA on Arm and AMD - part 2

Update index.html to reflect that Firecracker is now GA on Arm and AMD - part 2
Forgot a reference to developer preview in my previous commit.

Signed-off-by: Radu Iliescu <riliescu@amazon.com>

Author: raduiliescu

index.html

@@ -261,8 +261,8 @@
           <article class="m-item">
             <header>What processors does Firecracker support?</header>
             <section>
-              The Firecracker VMM is built to be processor agnostic. Intel processors are supported for production
-              workloads. Support for AMD and Arm processors is in developer preview.
+              The Firecracker VMM is built to be processor agnostic. 64-bit Intel, AMD and Arm CPUs with hardware
+              virtualization support are generally available for production workloads.
             </section>
           </article>
           <article class="m-item">