Fix error when setting DISABLE_STANDARD_USB = 1 in standard app Makefile - cherry pick API_LEVEL_5

[apaillier-ledger]

Description

#808

Changes include

• Bugfix (non-breaking change that solves an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (change that is not backwards-compatible and/or changes current functionality)
• Tests
• Documentation
• Other (for changes that might not fit in any category)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (API_LEVEL_5@a3475f1). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff               @@
##             API_LEVEL_5     #810   +/-   ##
==============================================
  Coverage               ?   85.96%           
==============================================
  Files                  ?        8           
  Lines                  ?      399           
  Branches               ?        0           
==============================================
  Hits                   ?      343           
  Misses                 ?       56           
  Partials               ?        0           

Flag	Coverage Δ
unittests	85.96% <ø> (?)

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