Add fsl-imx8mm-columbia.dtb to package

Change-Id: I004025ab469c2abd646e103da5e42f44fa3f3e7e
diff --git a/debian/rules b/debian/rules
index 560f314..8354e6a 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,6 +9,7 @@
 ARCH := arm64
 
 DTBS := \
+	freescale/fsl-imx8mm-columbia.dtb \
 	freescale/fsl-imx8mq-phanbell.dtb \
 	freescale/fsl-imx8mq-yorktown.dtb
 DTBS := $(addprefix arch/$(ARCH)/boot/dts/,$(DTBS))