Revert "Opta: secure_qspi: simplify code" #1157

Job	Run time
compile-examples (arduino:mbed:nano33ble)	7m 43s
compile-examples (arduino:mbed:envie_m7)	16m 59s
compile-examples (arduino:mbed:nanorp2040connect)	13m 7s
compile-examples (arduino:mbed:nicla_sense)	7m 32s
compile-examples (arduino:mbed:nicla_vision)	12m 25s
compile-examples (arduino:mbed:opta)	16m 34s
compile-examples (arduino:mbed:giga)	24m 46s
compile-examples (arduino:mbed:nicla_voice)	5m 44s
compile-examples (arduino:mbed:edge_control)	5m 30s
compile-examples (arduino:mbed:envie_m7:target_core=cm4, - libraries/KernelDebug - libraries/Port...	4m 25s
	1h 54m 45s

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