Make dm fb driver be selected by default

This makes the new framebuffer driver to be selected and removes the old
davincifb.

arch/arm/configs/ntosd_644xA_defconfig

@@ -893,7 +893,7 @@ CONFIG_DAB=y
 #
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_VGASTATE is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_VIDEO_OUTPUT_CONTROL=y
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
@@ -915,9 +915,9 @@ CONFIG_FB_DEFERRED_IO=y
 # Frame buffer hardware drivers
 #
 # CONFIG_FB_S1D13XXX is not set
-CONFIG_FB_DAVINCI=y
+# CONFIG_FB_DAVINCI is not set
 # CONFIG_FB_VIRTUAL is not set
-
+CONFIG_FB_DM=y
 #
 # Console display driver support
 #