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/ls1021aqds_nor_defconfig b/configs/ls1021aqds_nor_defconfig
index 3a6b1ed..d9cf023 100644
--- a/configs/ls1021aqds_nor_defconfig
+++ b/configs/ls1021aqds_nor_defconfig
@@ -36,3 +36,4 @@
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_STORAGE=y
+# CONFIG_VIDEO_SW_CURSOR is not set