imx: mx6sabreauto: fix splash logo drawing

Enable BMP code. Also configure white on black for video console.

Signed-off-by: Anatolij Gustschin <agust@denx.de>

configs/mx6sabreauto_defconfig

@@ -44,6 +44,7 @@ CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
@@ -90,4 +91,5 @@ CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_VIDEO_IPUV3=y