nb/intel/i945: Move to C_ENVIRONMENT_BOOTBLOCK

Console init in bootblock will be done in a separate CL.

Change-Id: Ia2405013f262d904aa82be323e928223dbb4296c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36795
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/i945/Makefile.inc b/src/northbridge/intel/i945/Makefile.inc
index 585d61b..36dee6e 100644
--- a/src/northbridge/intel/i945/Makefile.inc
+++ b/src/northbridge/intel/i945/Makefile.inc
@@ -15,6 +15,8 @@
 
 ifeq ($(CONFIG_NORTHBRIDGE_INTEL_I945),y)
 
+bootblock-y += bootblock.c
+
 ramstage-y += memmap.c
 ramstage-y += northbridge.c
 ramstage-y += gma.c