phy: amlogic: phy-meson-g12a-mipi-dphy-analog: fix CNTL2_DIF_TX_CTL0 value

Use the same CNTL2_DIF_TX_CTL0 value used by the vendor, it was reported
fixing timings issues.

Fixes: 2a56dc65 ("phy: amlogic: Add G12A Analog MIPI D-PHY driver")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-v4-10-2592c29ea263@linaro.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>