align the nand flash simulator against the PR #65
Tests:
Total Test time (real) = 6.33 sec
~/work/git_repos/github/eclipse/levelx_rahmanih/test/cmake
3/3 Test #1: default_build_coverage::levelx_nand_flash_test ........ Passed 44.06 sec
100% tests passed, 0 tests failed out of 3
