video: avoid build failure on veyron board

533ad9dc avoided an overflow but causes compilation
failure on 32bit boards (eg. veyron speedy)

this commit uses div_u64 which has a fallback codepath
for 32bit platforms

Signed-off-by: Alvaro Fernando García <alvarofernandogarcia@gmail.com>
Tested-by: Simon Glass <sjg@chromium.org>  # chromebook_jerry
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed