chore: Update and format CHANGELOG.md

Document vmm-sys-util change to 0.12.0-0.14.0 in CHANGELOG.md.

Signed-off-by: Ruoqing He <[email protected]>

Author: RuoqingHe

vm-superio-ser/CHANGELOG.md

@@ -1,28 +1,34 @@
 # Changelog
 
-# v0.4.0
+## Upcoming Release
 
-## Changed
+### Changed
+
+- Widen vmm-sys-util dependency to 0.12.0-0.14.0
+
+## v0.4.0
+
+### Changed
 
 - Updated vmm-sys-util dependency to 0.12.1
 - Updated versionize dependency to 0.2.0
 
-# v0.3.0
+## v0.3.0
 
-## Changed
+### Changed
 
 - Updated vmm-sys-util dependency to 0.11.0
 - Switched to specifying dependencies using caret requirements
   instead of comparision requirements
 
-# v0.2.0
+## v0.2.0
 
-## Added
+### Added
 
 - Added support for a `(De)Serialize` and `Versionize` serial state object,
   `SerialStateSer`([#73](https://github.com/rust-vmm/vm-superio/pull/73)).
 
-# v0.1.0
+## v0.1.0
 
 This is the first `vm-superio-ser` release.
 The `vm-superio-ser` crate provides support for persisting the states from

vm-superio/CHANGELOG.md

@@ -1,74 +1,80 @@
 # Changelog
 
-# v0.8.0
+## Upcoming Release
 
-## Changed
+### Changed
+
+- Widen vmm-sys-util dependency to 0.12.0-0.14.0
+
+## v0.8.0
+
+### Changed
 
 - Added a `reset_evt` to the `I8042Device` type to retrieve the underlying
   reset event object.
 - Added three methods to `Serial` to retrieve the `Write` output object.
 - Derived the `Copy` trait for `RtcState` and other auxiliary types.
 - Updated vmm-sys-util dependency to 0.12.1
 
-# v0.7.0
+## v0.7.0
 
-## Changed
+### Changed
 
 - Update vmm-sys-util dependency to 0.11.0.
 - Switched to specifying dependencies using caret requirements
   instead of comparision requirements.
 
-# v0.6.0
+## v0.6.0
 
-## Added
+### Added
 
 - Added `SerialState`, and support for saving and restoring the state of the
   `Serial` device ([#73](https://github.com/rust-vmm/vm-superio/pull/73)).
 - Added the `Debug` derive to the exported structures
   ([#75](https://github.com/rust-vmm/vm-superio/pull/75)).
 
-## Fixed
+### Fixed
 
 - Fixed `enqueue_raw_bytes` for the corner case when 0 bytes were sent, and the
   fifo was full ([#77](https://github.com/rust-vmm/vm-superio/pull/77)).
 
-# v0.5.0
+## v0.5.0
 
-## Added
+### Added
 
 - Added `RtcState`, and support for saving and restoring the state of the `Rtc`
   device. This support is useful for snapshot use cases, such as live
   migration ([#65](https://github.com/rust-vmm/vm-superio/pull/65)).
 
-## Fixed
+### Fixed
 
 - Fixed potential overflow in the `Rtc` implementation caused by an invalid
   offset ([#65](https://github.com/rust-vmm/vm-superio/pull/65)).
 
-# v0.4.0
+## v0.4.0
 
-## Added
+### Added
 
 - Added `in_buffer_empty` to SerialEvents trait. This helps with handling
   the registration of I/O events related to the serial input
   ([#63](https://github.com/rust-vmm/vm-superio/pull/63)).
 
-## Changed
+### Changed
 
 - Changed `RTC` to `Rtc` and `RTCEvents` to `RtcEvents` as part of the Rust
   version update to 1.52.1
   ([#57](https://github.com/rust-vmm/vm-superio/pull/57)).
 
-# v0.3.0
+## v0.3.0
 
-## Fixed
+### Fixed
 
 - Fixed implementation of Data Register (DR) which caused the guest time to be
   in the year 1970 ([#47](https://github.com/rust-vmm/vm-superio/issues/47)).
 
-# v0.2.0
+## v0.2.0
 
-## Added
+### Added
 
 - Added emulation support for an i8042 controller that only handles the CPU
   reset ([#11](https://github.com/rust-vmm/vm-superio/pull/11)).
@@ -87,13 +93,13 @@
   console and RTC device
   ([#40](https://github.com/rust-vmm/vm-superio/pull/40)).
 
-## Changed
+### Changed
 
 - Changed the notification mechanism from EventFd to the Trigger abstraction
   for both serial console and i8042
   ([#7](https://github.com/rust-vmm/vm-superio/issues/7)).
 
-## Fixed
+### Fixed
 
 - Limited the maximum number of bytes allowed at a time, when enqueuing input
   for serial, to 64 (FIFO_SIZE) to avoid memory pressure
@@ -102,7 +108,7 @@
   THR Empty interrupt to it when trying to write to the device
   ([#23](https://github.com/rust-vmm/vm-superio/issues/23)).
 
-# v0.1.0
+## v0.1.0
 
 This is the first `vm-superio` release.
 The `vm-superio` crate provides emulation for legacy devices. For now, it offers