lvgl: Reinstate demo configuration settings

The LVGL demo is configured slightly differently than the LVGL itself.
Logging and printing is enabled, memory size is higher and compressed
fonts are enabled. Reinstate the settings, otherwise the demo keeps
crashing at least with SDL2 backend.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-graphics/lvgl/lvgl-demo-fb_9.0.0.bb

@@ -24,6 +24,10 @@ EXTRA_OEMAKE = "DESTDIR=${D}"
 
 PACKAGECONFIG ??= "drm"
 LVGL_CONFIG_DRM_CARD ?= "/dev/dri/card0"
+LVGL_CONFIG_LV_USE_LOG    = "1"
+LVGL_CONFIG_LV_LOG_PRINTF = "1"
+LVGL_CONFIG_LV_MEM_SIZE = "(256 * 1024U)"
+LVGL_CONFIG_LV_USE_FONT_COMPRESSED = "1"
 require lv-conf.inc
 
 inherit cmake