[PATCH RESEND] drm/meson: vclk: use the correct G12A frac max value

[Kevin Hilman]

Neil Armstrong <narmstrong at baylibre.com> writes:

> When calculating the HDMI PLL settings for a DMT mode PHY frequency,
> use the correct max fractional PLL value for G12A VPU.
>
> With this fix, we can finally setup the 1024x768-60 mode.
>
> Fixes: 202b9808f8ed ("drm/meson: Add G12A Video Clock setup")
> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>

Reviewed-by: Kevin Hilman <khilman at baylibre.com>