qemu-x86: Implement more features

This patch switches the Qemu target to use (pseudo) Cache As RAM
and enables some ACPI code. This allows to use the CBMEM console
and timestamp code with coreboot in Qemu. Right now, the ACPI code
is commented out because leaving it in breaks IDE.

Change-Id: Ie20f3ecc194004f354ae3437b9cf9175382cadf8
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2113
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/emulation/qemu-x86/Kconfig b/src/mainboard/emulation/qemu-x86/Kconfig
index db1a027..c171309 100644
--- a/src/mainboard/emulation/qemu-x86/Kconfig
+++ b/src/mainboard/emulation/qemu-x86/Kconfig
@@ -4,9 +4,11 @@
 	def_bool y
 	select ARCH_X86
 	select SOUTHBRIDGE_INTEL_I82371EB
-	select ROMCC
+	select CACHE_AS_RAM
 	select HAVE_OPTION_TABLE
 	select HAVE_PIRQ_TABLE
+	select HAVE_ACPI_TABLES
+	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_256
 
 config MAINBOARD_DIR
@@ -21,4 +23,13 @@
 	int
 	default 6
 
+config DCACHE_RAM_BASE
+	hex
+	default 0xd0000
+
+config DCACHE_RAM_SIZE
+	hex
+	default 0x10000
+
+
 endif # BOARD_EMULATION_QEMU_X86