chore(build.rs): sort features

Signed-off-by: Martin Kröning <martin.kroening@eonerc.rwth-aachen.de>

hermit/build.rs

@@ -96,20 +96,20 @@ impl KernelSrc {
 			[
 				"acpi",
 				"dhcpv4",
+				"dns",
+				"fs",
 				"fsgsbase",
+				"idle-poll",
+				"mmap",
 				"pci",
 				"pci-ids",
+				"rtl8139",
+				"shell",
 				"smp",
 				"tcp",
-				"udp",
 				"trace",
+				"udp",
 				"vga",
-				"rtl8139",
-				"fs",
-				"shell",
-				"dns",
-				"mmap",
-				"idle-poll",
 				"vsock",
 			]
 			.into_iter(),