lakitu: Add hyperv_guest kernel configs:

BUG=b/171085640
TEST=None
RELEASE_NOTE=None

Change-Id: I1b3639b6d55314b5d61f16f064209497ecfb26ad
diff --git a/eclass/cros-kernel2.eclass b/eclass/cros-kernel2.eclass
index e319906..7193242 100644
--- a/eclass/cros-kernel2.eclass
+++ b/eclass/cros-kernel2.eclass
@@ -222,6 +222,7 @@
 	wireless34
 	x32
 	xen_guest
+	hyperv_guest
 )
 
 acpi_ac_desc="Enable ACPI AC"
@@ -930,6 +931,19 @@
 CONFIG_XEN_HAVE_VPMU=y
 "
 
+hyperv_guest_desc="Microsoft Hyper-V guest support"
+hyperv_guest_config="
+CONFIG_HYPERV=y
+CONFIG_HYPERV_NET=y
+CONFIG_HYPERV_TSCPAGE=y
+CONFIG_HYPERV_KEYBOARD=y
+CONFIG_HYPERV_STORAGE=y
+CONFIG_HYPERV_BALLOON=y
+CONFIG_HYPERV_UTILS=y
+CONFIG_HYPERV_TIMER=y
+CONFIG_HYPERV_IOMMU=y
+"
+
 vtconsole_desc="VT console"
 vtconsole_config="
 CONFIG_VT=y