Add Provides field to headers,image

* Add Provides field to control file to implement virtual packages
  (linux-image and linux-headers).
* Add IIO, IIO_BUFFER (as module) to defconfig.

Change-Id: I9ad0254d57de14e1e6f59b8a863edd2781d4902a
diff --git a/debian/changelog b/debian/changelog
index 652fcea..c777e6a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+linux-imx (4-3) mendel-beaker; urgency=medium
+
+  * Add Provides field for linux-headers and linux-image.
+  * Add IIO to defconfig.
+
+ -- AIY Projects <support-aiyprojects@google.com>  Mon, 04 Mar 2019 13:58:31 -0800
+
 linux-imx (4-2) mendel-beaker; urgency=medium
 
   * Fixing the local version number to match the IMX moniker.
diff --git a/debian/control b/debian/control
index 501ef3f..7f5114c 100644
--- a/debian/control
+++ b/debian/control
@@ -8,6 +8,7 @@
 Section: misc
 Priority: optional
 Architecture: arm64 armhf
+Provides: linux-image
 Depends: kmod, ${perl:Depends}
 Description: Linux kernel image for the Coral EdgeTPU Dev Board
 
@@ -15,6 +16,7 @@
 Section: misc
 Priority: optional
 Architecture: arm64 armhf
+Provides: linux-headers
 Depends: ${perl:Depends},
          linux-kbuild-4.9.51-imx [${Arch}]
 Description: Linux kernel headers fro the Coral EdgeTPU Dev Board
diff --git a/debian/defconfig b/debian/defconfig
index 46e2c6a..e4fa65b 100644
--- a/debian/defconfig
+++ b/debian/defconfig
@@ -152,3 +152,6 @@
 CONFIG_NF_CONNTRACK_TFTP=m
 CONFIG_NF_CONNTRACK_TIMEOUT=m
 CONFIG_NF_CONNTRACK_TIMESTAMP=m
+
+CONFIG_IIO=m
+CONFIG_IIO_BUFFER=m