[Freedreno] [PATCH v2] drm/msm/dsi: Use division result from div_u64_rem in 7nm and 14nm PLL

[AngeloGioacchino Del Regno]

> div_u64_rem provides the result of the division and additionally the
> remainder; don't use this function to solely calculate the remainder
> while calculating the division again with div_u64.
> 
> A similar improvement was applied earlier to the 10nm pll in
> 5c191fef4ce2 ("drm/msm/dsi_pll_10nm: Fix dividing the same numbers
> twice").
> 
> Signed-off-by: Marijn Suijten <marijn.suijten at somainline.org>
> ---
> 
> Changes in v2:
> - Corrected two typos in the first commit-message sentence.
> 

Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno at somainline.org>