Add Lenovo ideapad driver

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 4744c77..85fb2b84 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -15,6 +15,7 @@
 obj-$(CONFIG_HP_WMI)		+= hp-wmi.o
 obj-$(CONFIG_TC1100_WMI)	+= tc1100-wmi.o
 obj-$(CONFIG_SONY_LAPTOP)	+= sony-laptop.o
+obj-$(CONFIG_IDEAPAD_ACPI)	+= ideapad_acpi.o
 obj-$(CONFIG_THINKPAD_ACPI)	+= thinkpad_acpi.o
 obj-$(CONFIG_FUJITSU_LAPTOP)	+= fujitsu-laptop.o
 obj-$(CONFIG_PANASONIC_LAPTOP)	+= panasonic-laptop.o