message: Update documentation for Apollo3 board
diff: @@ -187,7 +187,7 @@ You should see the following log with the magic string `~~~ALL TEST PASSED~~~`:
  02:25:22.4253 [DEBUG] uart0: [+0.16ms host +0s virt 0.28s virt from start] Progam has exited with code:0x00000000
  ```
  -## Building for Apollo3
  +## Building for Ambiq Micro Apollo3Blue EVB
  Follow these steps to get the pushbutton yes/no example working on Apollo 3:
  @@ -201,7 +201,8 @@ Follow these steps to get the pushbutton yes/no example working on Apollo 3:
  tensorflow/lite/experimental/micro/tools/make/Makefile TARGET=apollo3evb
  pushbutton_cmsis_speech_test_bin
  4. Install [Segger JLink tools](https://www.segger.com/downloads/jlink/)
  -5. Connect the Apollo3 EVB (with mic shield) to the computer and power it on
  +5. Connect the Apollo3 EVB (with mic shield in slot 3 of Microbus Shield board)
  + to the computer and power it on.
  6. Start the GDB server in a new terminal with the following command:
  JLinkGDBServer -select USB -device AMA3B1KK-KBR -endian little -if SWD
  -speed 1000 -noir -noLocalhostOnly
  