cpu/intel/slot_1: Move to C_ENVIRONMENT_BOOTBLOCK

Console is not yet enabled in bootblock. This will be done in
a different CL.

Change-Id: Ic751d42a1969fb79fb50366f766d8796846a0bc4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/northbridge/intel/i440bx/Kconfig b/src/northbridge/intel/i440bx/Kconfig
index df1e365..010a6e7 100644
--- a/src/northbridge/intel/i440bx/Kconfig
+++ b/src/northbridge/intel/i440bx/Kconfig
@@ -17,6 +17,7 @@
 	bool
 	select NO_MMCONF_SUPPORT
 	select HAVE_DEBUG_RAM_SETUP
+	select NO_BOOTBLOCK_CONSOLE
 
 config SDRAMPWR_4DIMM
 	bool