sunxi: video: Add VGA output support

Add support for VGA directly from the sunxi SoC / display engine.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/configs/A20-OLinuXino_MICRO_defconfig b/configs/A20-OLinuXino_MICRO_defconfig
index 1b9668d..1c5a6f7 100644
--- a/configs/A20-OLinuXino_MICRO_defconfig
+++ b/configs/A20-OLinuXino_MICRO_defconfig
@@ -2,6 +2,7 @@
 CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8),USB_EHCI"
 CONFIG_FDTFILE="sun7i-a20-olinuxino-micro.dtb"
 CONFIG_MMC_SUNXI_SLOT_EXTRA=3
+CONFIG_VIDEO_VGA=y
 +S:CONFIG_MMC0_CD_PIN="PH1"
 +S:CONFIG_MMC3_CD_PIN="PH11"
 +S:CONFIG_ARM=y