Bump smccc from 0.2.1 to 0.2.2 (#16)

Bumps [smccc](https://github.com/google/smccc) from 0.2.1 to 0.2.2.
- [Changelog](https://github.com/google/smccc/blob/main/CHANGELOG.md)
- [Commits](google/smccc@0.2.1...0.2.2)

---
updated-dependencies:
- dependency-name: smccc
  dependency-version: 0.2.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -10,12 +10,12 @@ keywords = ["arm", "aarch64", "cortex-a"]
 categories = ["embedded", "no-std"]
 
 [dependencies]
-smccc = { version = "0.2.1", optional = true }
+smccc = { version = "0.2.2", optional = true }
 
 [dev-dependencies]
 aarch64-paging = { version = "0.9.1", default-features = false }
 arm-pl011-uart = "0.3.1"
-smccc = "0.2.1"
+smccc = "0.2.2"
 
 [features]
 default = ["el1", "exceptions", "initial-pagetable", "psci"]