nrf/drivers/flash: Fix incorrect page alignment check.
#error Unknown chip
#endif
-#define FLASH_IS_PAGE_ALIGNED(addr) ((uint32_t)(addr) & (FLASH_PAGESIZE - 1))
+#define FLASH_IS_PAGE_ALIGNED(addr) (((uint32_t)(addr) & (FLASH_PAGESIZE - 1)) == 0)
#if BLUETOOTH_SD
