Add makefile, update changelog.

Change-Id: I1b85001572b1c1f3318e32309bb10fd5aea488dd
diff --git a/debian/changelog b/debian/changelog
index d16a3ac..084bd5a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 gasket-dkms (1.0-4) unstable; urgency=low
 
   * Add thermal sysfs nodes.
+  * Release taken eventfd contexts
 
  -- Coral <coral-support@google.com>  Wed, 15 May 2019 21:09:24 -0700
 
@@ -20,4 +21,4 @@
 
   * Initial release.
 
- -- Coral <coral-support@google.com>  Wed, 04 Mar 2019 16:12:55 +0000
\ No newline at end of file
+ -- Coral <coral-support@google.com>  Wed, 04 Mar 2019 16:12:55 +0000
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..6183d89
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,9 @@
+#
+#  Makefile for Gasket framework and dependent drivers.
+#
+
+obj-m	+= gasket.o
+obj-m	+= apex.o
+
+gasket-objs	:= gasket_core.o gasket_ioctl.o gasket_interrupt.o gasket_page_table.o gasket_sysfs.o
+apex-objs	:= apex_driver.o