Initial KVM support.

Add some of the enhancements KVM has to their bochs bios tree.  This
    is only partial support for KVM - some features still do not work
    correctly.
diff --git a/Makefile b/Makefile
index 4c1b516..a6473d7 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@
         pnpbios.c pirtable.c
 SRC16=$(SRCBOTH) disk.c apm.c pcibios.c vgahooks.c
 SRC32=$(SRCBOTH) post.c shadow.c post_menu.c memmap.c coreboot.c boot.c \
-      acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c
+      acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c
 TABLESRC=font.c cbt.c floppy_dbt.c
 
 cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \