update qnn doc (#4356) (#4363)

Summary:
Pull Request resolved: #4356

As title

Reviewed By: kirklandsign

Differential Revision: D60095271

fbshipit-source-id: 48f43528fc7aa180dadcd67c858eedf3c4568172
(cherry picked from commit dbc73a6)

Co-authored-by: Chen Lai <[email protected]>

Author: pytorchbot

backends/qualcomm/setup.md

@@ -155,9 +155,11 @@ adb shell "mkdir -p ${DEVICE_DIR}"
 adb push ${QNN_SDK_ROOT}/lib/aarch64-android/libQnnHtp.so ${DEVICE_DIR}
 adb push ${QNN_SDK_ROOT}/lib/aarch64-android/libQnnHtpV69Stub.so ${DEVICE_DIR}
 adb push ${QNN_SDK_ROOT}/lib/aarch64-android/libQnnHtpV73Stub.so ${DEVICE_DIR}
+adb push ${QNN_SDK_ROOT}/lib/aarch64-android/libQnnHtpV75Stub.so ${DEVICE_DIR}
 adb push ${QNN_SDK_ROOT}/lib/aarch64-android/libQnnSystem.so ${DEVICE_DIR}
 adb push ${QNN_SDK_ROOT}/lib/hexagon-v69/unsigned/libQnnHtpV69Skel.so ${DEVICE_DIR}
 adb push ${QNN_SDK_ROOT}/lib/hexagon-v73/unsigned/libQnnHtpV73Skel.so ${DEVICE_DIR}
+adb push ${QNN_SDK_ROOT}/lib/hexagon-v75/unsigned/libQnnHtpV75Skel.so ${DEVICE_DIR}
 ```
 
 We also need to indicate dynamic linkers on Android and Hexagon where to find these libraries