Disable default path while search libtim-vx.so with TIMVX_INSTALL_DIR
Disable default path while search libtim-vx.so with TIMVX_INSTALL_DIR

Signed-off-by: xiang.zhang <b43c9577429590daf500bbbebd651f5babc13da5@verisilicon.com>

opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv