Bump cortex-m-rt from 0.7.3 to 0.7.4 in /examples

[dependabot[bot]]

Bumps cortex-m-rt from 0.7.3 to 0.7.4.

Release notes

Sourced from cortex-m-rt's releases.

v0.7.4 - 2021-12-31

Added

• Added support for additional DWT counters (#349)
  • CPI counter
  • Exception overhead counter
  • LSU counter
  • Folded-instruction counter
• Added DWT.set_cycle_count (#347).
• Added support for the Cortex-M7 TCM and cache access control registers. There is a feature cm7 to enable access to these (#352).
• Add derives for serde, Hash, and PartialOrd to VectActive behind feature gates for host-platform use (#363).
• Support host platforms besides x86_64 (#369).
• Added delay::Delay::with_source, a constructor that lets you specify the SysTick clock source (#374).

Fixed

• Fix incorrect AIRCR PRIGROUP mask (#338, #339).
• Fix nightly users of inline-asm breaking now that the asm macro is removed from the prelude (#372).

Deprecated

• DWT::get_cycle_count has been deprecated in favor of DWT::cycle_count. This change was made for consistency with the C-GETTER convention. (#349)

Changelog

Sourced from cortex-m-rt's changelog.

[v0.7.4] - 2021-12-31

Added

• Added support for additional DWT counters (#349)
  • CPI counter
  • Exception overhead counter
  • LSU counter
  • Folded-instruction counter
• Added DWT.set_cycle_count (#347).
• Added support for the Cortex-M7 TCM and cache access control registers. There is a feature cm7 to enable access to these (#352).
• Add derives for serde, Hash, and PartialOrd to VectActive behind feature gates for host-platform use (#363).
• Support host platforms besides x86_64 (#369).
• Added delay::Delay::with_source, a constructor that lets you specify the SysTick clock source (#374).

Fixed

• Fix incorrect AIRCR PRIGROUP mask (#338, #339).
• Fix nightly users of inline-asm breaking now that the asm macro is removed from the prelude (#372).

Deprecated

• DWT::get_cycle_count has been deprecated in favor of DWT::cycle_count. This change was made for consistency with the C-GETTER convention. (#349)

Commits

• 2e2cb78 Merge #375
• e62dee6 Rename std-map feature to std before releasing it, to align with the rename i...
• e3d321b Prepare for v0.7.4
• bbcdae6 Merge #374
• 2f0593e Merge #369
• 9631347 Merge #372
• 4b53689 Merge #361
• 3d33d32 Merge #362
• a78c497 Merge #363
• 74e9bbe scb: derive serde, Hash, PartialOrd for VectActive behind gates
• Additional commits viewable in compare view

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