Enable QR code library in C SDK bindings. #400

Job	Run time
Build SDK	1m 36s
Build SDK (nanos)	2m 15s
Build SDK (nanox)	2m 18s
Run static analysis (nanos, include_gif)	1m 26s
Run static analysis for cargo-ledger	1m 30s
Build SDK (nanosplus)	2m 16s
Run static analysis (nanos, testmacro)	1m 16s
Build SDK (stax)	2m 15s
Run static analysis (nanos, ledger_secure_sdk_sys)	1m 43s
Build SDK (flex)	2m 20s
Run static analysis (nanos, ledger_device_sdk)	2m 19s
Check code formatting	1m 9s
Run static analysis (nanox, include_gif)	1m 22s
Run unit and integration tests (nanos)	2m 38s
Run static analysis (nanox, testmacro)	1m 11s
Run unit and integration tests (nanox)	2m 26s
Run static analysis (nanox, ledger_secure_sdk_sys)	1m 51s
Run unit and integration tests (nanosplus)	2m 31s
Run static analysis (nanox, ledger_device_sdk)	2m 15s
Run unit and integration tests (stax)	2m 33s
Run static analysis (nanosplus, include_gif)	1m 22s
Run unit and integration tests (flex)	2m 37s
Run static analysis (nanosplus, testmacro)	1m 12s
Run static analysis (nanosplus, ledger_secure_sdk_sys)	2m 3s
Run static analysis (nanosplus, ledger_device_sdk)	2m 13s
Run static analysis (stax, include_gif)	1m 21s
Run static analysis (stax, testmacro)	1m 18s
Run static analysis (stax, ledger_secure_sdk_sys)	1m 52s
Run static analysis (stax, ledger_device_sdk)	2m 24s
Run static analysis (flex, include_gif)	1m 25s
Run static analysis (flex, testmacro)	1m 21s
Run static analysis (flex, ledger_secure_sdk_sys)	2m 2s
Run static analysis (flex, ledger_device_sdk)	2m 19s
	1h 2m 39s

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