build(deps): Bump embedded-io from 0.6.1 to 0.7.1

Bumps [embedded-io](https://github.com/rust-embedded/embedded-hal) from 0.6.1 to 0.7.1.
- [Release notes](https://github.com/rust-embedded/embedded-hal/releases)
- [Commits](rust-embedded/embedded-hal@embedded-io-v0.6.1...embedded-io-v0.7.1)

---
updated-dependencies:
- dependency-name: embedded-io
  dependency-version: 0.7.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -120,7 +120,7 @@ bitflags = "2"
 build-time = "0.1.3"
 cfg-if = "1"
 crossbeam-utils = { version = "0.8", default-features = false }
-embedded-io = "0.6"
+embedded-io = "0.7"
 enum_dispatch = "0.3"
 fdt = { version = "0.1", features = ["pretty-printing"] }
 free-list = "0.3"