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/aristainetos2_defconfig b/configs/aristainetos2_defconfig
index 2a5956b..edabf92 100644
--- a/configs/aristainetos2_defconfig
+++ b/configs/aristainetos2_defconfig
@@ -32,4 +32,5 @@
 CONFIG_MTD_UBI_FASTMAP_AUTOCONVERT=1
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
+# CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y