Generate a package with uboot's mkimage tool

Change-Id: I78f028a5d08b8375d941120b1d146cd8768a8ab8
diff --git a/debian/control b/debian/control
index d66d891..9b3c423 100644
--- a/debian/control
+++ b/debian/control
@@ -9,3 +9,9 @@
 Priority: optional
 Architecture: arm64 armhf
 Description: U-Boot for the AIY Board
+
+Package: uboot-mkimage
+Section: misc
+Priority: optional
+Architecture: all
+Description: mkimage tool from uboot
diff --git a/debian/rules b/debian/rules
index 64f1291..1ff34cd 100755
--- a/debian/rules
+++ b/debian/rules
@@ -39,4 +39,9 @@
 	install -m 644 -o 0 -g 0 u-boot.imx debian/uboot-imx/boot/u-boot.imx
 	install -m 644 -o 0 -g 0 boot.scr debian/uboot-imx/boot/boot.scr
 	install -m 644 -o 0 -g 0 debian/overlays.txt debian/uboot-imx/boot/overlays.txt
+	install -d debian/uboot-mkimage/usr/bin
+	install -m 644 -o 0 -g 0 tools/mkimage debian/uboot-mkimage/usr/bin/mkimage
 	dh_install
+
+override_dh_strip:
+	true