drm/pl111: Make the default BPP a per-variant variable Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ...msgid/20180302090948.6399-2-linus.walleij@linaro.org ...msgid/20180307084316.23623-1-linus.walleij@linaro.org ...msgid/20180307084316.23623-1-linus.walleij@linaro.org