x86: zboot: Create a separate ZBOOT option for zboot logic
Most of the functionality of zboot is contained in the logic which
handles a zimage. Create a separate Kconfig for the logic so that it can
(later) be used without the command itself being enabled.
Enable ZBOOT by default on x86, with the command depending on that. The
existing 'imply' can therefore be removed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 9ebea76..584ffd0 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -538,6 +538,8 @@
config CMD_ZBOOT
bool "zboot - x86 boot command"
+ depends on ZBOOT
+ default y
help
With x86 machines it is common to boot a bzImage file which
contains both a kernel and a setup.bin file. The latter includes