Add host info to weight templates (#11583)

* Add host info to weight templates

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* cargo run --quiet --profile=production  --features=runtime-benchmarks --manifest-path=bin/node/cli/Cargo.toml -- benchmark pallet --chain=dev --steps=50 --repeat=20 --pallet=frame_system --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --output=./frame/system/src/weights.rs --template=./.maintain/frame-weight-template.hbs

Co-authored-by: Parity Bot <admin@parity.io>

substrate/utils/frame/benchmarking-cli/src/pallet/writer.rs

@@ -43,6 +43,8 @@ const TEMPLATE: &str = include_str!("./template.hbs");
 struct TemplateData {
 	args: Vec<String>,
 	date: String,
+	hostname: String,
+	cpuname: String,
 	version: String,
 	pallet: String,
 	instance: String,
@@ -322,6 +324,8 @@ pub fn write_results(
 		let hbs_data = TemplateData {
 			args: args.clone(),
 			date: date.clone(),
+			hostname: cmd.hostinfo_params.hostname(),
+			cpuname: cmd.hostinfo_params.cpuname(),
 			version: VERSION.to_string(),
 			pallet: pallet.to_string(),
 			instance: instance.to_string(),