Add gnullvm targets to manifest

Author: mati865

src/tools/build-manifest/src/main.rs

@@ -56,6 +56,7 @@ static TARGETS: &[&str] = &[
     "aarch64-apple-ios-sim",
     "aarch64-unknown-fuchsia",
     "aarch64-linux-android",
+    "aarch64-pc-windows-gnullvm",
     "aarch64-pc-windows-msvc",
     "aarch64-unknown-hermit",
     "aarch64-unknown-linux-gnu",
@@ -96,6 +97,7 @@ static TARGETS: &[&str] = &[
     "i686-apple-darwin",
     "i686-linux-android",
     "i686-pc-windows-gnu",
+    "i686-pc-windows-gnullvm",
     "i686-pc-windows-msvc",
     "i686-unknown-freebsd",
     "i686-unknown-linux-gnu",
@@ -157,6 +159,7 @@ static TARGETS: &[&str] = &[
     "x86_64-unknown-fuchsia",
     "x86_64-linux-android",
     "x86_64-pc-windows-gnu",
+    "x86_64-pc-windows-gnullvm",
     "x86_64-pc-windows-msvc",
     "x86_64-pc-solaris",
     "x86_64-unikraft-linux-musl",