NXP-MCUBootUtility v5.0.0 release note

Feature:

1. [RTyyyy] Support i.MXRT118x A0
   [RTyyyy] 支持i.MXRT118x A0
2. [RT1180] Support raw app file(not bootable app) as source image
   [RT1180] 支持裸应用程序文件作为输入源文件
3. [RT1180] Support both UART and USB-HID download modes
   [RT1180] 支持UART和USB-HID两种下载方式（COM端口/USB设备自动识别）
4. [RT1180] Support development boot case (Unsigned)
   [RT1180] 支持用于开发阶段的非安全加密启动（未签名）
5. [RT1180] Support FlexSPI NOR boot device
   [RT1180] 支持FlexSPI NOR启动设备
6. [RT1180] Support uSDHC SD&MMC boot device
   [RT1180] 支持uSDHC SD&MMC启动设备