spi nor: nocache workaround for F7#62

dron0gus merged 2 commits intorusefi:stable_21.11.x.rusefi_clean_historyrusefi/ChibiOS:stable_21.11.x.rusefi_clean_historyfrom

dron0gus:spi-nor-nocachedron0gus/ChibiOS:spi-nor-nocacheCopy head branch name to clipboard