chore(deps,kernel): upgrade bitflags to ^2

<https://github.com/bitflags/bitflags/releases/tag/2.0.0>

Author: yvt

Cargo.lock

@@ -35,7 +35,7 @@ num-traits = { version = "0.2.11", default-features = false }
 svgbobdoc = { version = "0.3.0" }
 tokenlock = { version = "0.3.4", default-features = false }
 arrayvec = { version = "0.7.1", default-features = false }
-bitflags = { version = "1.2.1" }
+bitflags = { version = "2.0.2" }
 macropol = { version = "0.1.2" }
 chrono = { version = "0.4.13", optional = true, default-features = false }
 either = { version = "1.6.1", default-features = false }

src/r3_kernel/Cargo.toml

@@ -92,6 +92,7 @@ impl Init for InterruptLineInit {
 bitflags::bitflags! {
     /// Flags for [`InterruptLineInit`].
     #[doc(hidden)]
+    #[derive(Debug, Clone, Copy)]
     pub struct InterruptLineInitFlags: u32 {
         const ENABLE = 1 << 0;
         const SET_PRIORITY = 1 << 1;