NXP-MCUBootUtility v5.2.0 release note

Features:

1. [RTyyyy] Support i.MXRT118x B0
   [RTyyyy] 支持i.MXRT118x B0
2. [RT] Support both secure and non-secure addr CM33 image for FlexSPI NOR device
   [RT] 对于FlexSPI NOR设备，支持下载安全与非安全两种地址链接的CM33程序
3. [RT] Support aliased addr image for FlexSPI NOR device
   [RT] 对于FlexSPI NOR设备，支持别名地址链接的程序

Improvements:

1. [RT1180] Original image can be a bootable image (with Container)
   [RT1180] 用户输入的源程序文件可以包含启动头 (Container)