Increment flash write address and correct write size#5

Parker4091 wants to merge 2 commits intonxp-upstream:c40_flash_hal_nxp_1nxp-upstream/hal_nxp:c40_flash_hal_nxp_1from

Parker4091:c40_flash_hal_nxp_fixup4Parker4091/hal_nxp:c40_flash_hal_nxp_fixup4Copy head branch name to clipboard