chore(Makefile): separate features by spaces only (#11393)

Makefile

@@ -53,7 +53,7 @@ install: ## Build and install the reth binary under `~/.cargo/bin`.
 .PHONY: install-op
 install-op: ## Build and install the op-reth binary under `~/.cargo/bin`.
 	cargo install --path crates/optimism/bin --bin op-reth --force --locked \
-		--features "optimism,$(FEATURES)" \
+		--features "optimism $(FEATURES)" \
 		--profile "$(PROFILE)" \
 		$(CARGO_INSTALL_EXTRA_FLAGS)
 
@@ -67,14 +67,14 @@ build-debug: ## Build the reth binary into `target/debug` directory.
 
 .PHONY: build-op
 build-op: ## Build the op-reth binary into `target` directory.
-	cargo build --bin op-reth --features "optimism,$(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
+	cargo build --bin op-reth --features "optimism $(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
 
 # Builds the reth binary natively.
 build-native-%:
 	cargo build --bin reth --target $* --features "$(FEATURES)" --profile "$(PROFILE)"
 
 op-build-native-%:
-	cargo build --bin op-reth --target $* --features "optimism,$(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
+	cargo build --bin op-reth --target $* --features "optimism $(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
 
 # The following commands use `cross` to build a cross-compile.
 #
@@ -106,7 +106,7 @@ build-%:
 
 op-build-%:
 	RUSTFLAGS="-C link-arg=-lgcc -Clink-arg=-static-libgcc" \
-		cross build --bin op-reth --target $* --features "optimism,$(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
+		cross build --bin op-reth --target $* --features "optimism $(FEATURES)" --profile "$(PROFILE)" --manifest-path crates/optimism/bin/Cargo.toml
 
 # Unfortunately we can't easily use cross to build for Darwin because of licensing issues.
 # If we wanted to, we would need to build a custom Docker image with the SDK available.