UPSTREAM: drm/bridge: anx7625: Tune K value for IVO panel

IVO panel require less input video clock variation than video clock
variation in DP CTS spec.

This patch decreases the K value of ANX7625 which will shrink eDP Tx
video clock variation to meet IVO panel's requirement.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210806104407.2208538-1-xji@analogixsemi.com
(cherry picked from commit 7d066dc73929d5b14501a47ae9cad4f49fe22abc)

BUG=b:194659777, b:195722355
TEST=Tested on Asurada

Change-Id: Iac703466ab5b1ddaa921a522e47db3589246d7b9
Signed-off-by: Xin Ji <xji@analogixsemi.com>
Signed-off-by: Lucas Chen <lucas.chen@quanta.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/3159913
Reviewed-by: Chen-Tsung Hsieh <chentsung@chromium.org>
Commit-Queue: Chen-Tsung Hsieh <chentsung@chromium.org>
2 files changed