CHROMIUM: arm64: dts: rockchip: add devfreq node to isp

we need to disable ddr dvfs when isp streaming start,
add the devfreq node to isp, so we can control it.

BUG=b:36227021
TEST=to capture frames, check ddr frequency in 928MHz

Change-Id: If1baca139d661e2feae7383957b04e4a145422ac
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/795531
Commit-Ready: Shunqian Zheng <zhengsq@rock-chips.com>
Tested-by: Shunqian Zheng <zhengsq@rock-chips.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
1 file changed