Convert CONFIG_VIDEO_SW_CURSOR to Kconfig

This converts the following to Kconfig:
   CONFIG_VIDEO_SW_CURSOR

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Re-convert, find all the cases where this is off]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/theadorable_debug_defconfig b/configs/theadorable_debug_defconfig
index 60f4486..4ed5740 100644
--- a/configs/theadorable_debug_defconfig
+++ b/configs/theadorable_debug_defconfig
@@ -53,3 +53,4 @@
 CONFIG_USB_STORAGE=y
 CONFIG_VIDEO_MVEBU=y
 CONFIG_CFB_CONSOLE=y
+# CONFIG_VIDEO_SW_CURSOR is not set