x86: Add DSDT table for supporting ACPI on QEMU

The DSDT table contains a bytecode that is executed by a driver in the kernel.

Signed-off-by: Saket Sinha <saket.sinha89@gmail.com>
Tested with QEMU '-M q35'
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile
index 8c3884c..1c00d1d 100644
--- a/arch/x86/cpu/qemu/Makefile
+++ b/arch/x86/cpu/qemu/Makefile
@@ -8,5 +8,5 @@
 obj-y += car.o dram.o
 endif
 obj-y += qemu.o
-obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o
+obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o dsdt.o
 obj-$(CONFIG_PCI) += pci.o