drm/lima: add missing Kconfig dependency

Current implementation does not support MMU-less
plarforms.
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: a1d2a633 ("drm/lima: driver for ARM Mali4xx GPUs")
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190409003617.4470-1-yuq825@gmail.com

drivers/gpu/drm/lima/Kconfig

@@ -5,6 +5,9 @@ config DRM_LIMA
        tristate "LIMA (DRM support for ARM Mali 400/450 GPU)"
        depends on DRM
        depends on ARM || ARM64 || COMPILE_TEST
+       depends on MMU
+       depends on COMMON_CLK
+       depends on OF
        select DRM_SCHED
        help
          DRM driver for ARM Mali 400/450 GPUs.