Revert "Opta: secure_qspi: simplify code"

This reverts commit 9f8a26b.

Release 4.1.5

Release 4.1.3

full variants rebuild

Release 4.0.10

Publish 4.0.8

Publish 4.0.6

Release version 4.0.4

SDRAM: Fix FMC PLL settings for 16MHz and 25MHz HSE.

Merge pull request arduino#623 from facchinm/i2c_null_pointers_on_end

Wire: nullify pointers on end()