mk_mmc: nuke populate_dtbs, its required

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

mk_mmc.sh

@@ -216,7 +216,6 @@ dl_kernel_image () {
 			unset firmware_file
 		fi
 
-		if [ "${populate_dtbs}" ] ; then
 		ACTUAL_DTB_FILE=$(cat ${TEMPDIR}/dl/index.html | grep dtbs.tar.gz | head -n 1)
 		#<a href="3.5.0-imx2-dtbs.tar.gz">3.5.0-imx2-dtbs.tar.gz</a> 08-Aug-2012 21:34 8.7K
 		ACTUAL_DTB_FILE=$(echo ${ACTUAL_DTB_FILE} | awk -F "\"" '{print $2}')
@@ -227,7 +226,6 @@ dl_kernel_image () {
 		else
 			unset ACTUAL_DTB_FILE
 		fi
-		fi
 
 	else
 		KERNEL=${external_deb_file}
@@ -1511,7 +1509,6 @@ check_dtb_board () {
 	dtb_board=$(echo ${dtb_board} | awk -F ".conf" '{print $1}')
 	if [ -f "${DIR}"/hwpack/${dtb_board}.conf ] ; then
 		. "${DIR}"/hwpack/${dtb_board}.conf
-		populate_dtbs=1
 		unset error_invalid_dtb
 		process_dtb_conf
 	else