mk_mmc.sh: uname_r is more useful this way

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

mk_mmc.sh

@@ -196,7 +196,7 @@ dl_kernel_image () {
 		FTP_DIR=$(echo ${FTP_DIR} | awk -F'/' '{print $6}')
 
 		KERNEL=$(echo ${FTP_DIR} | sed 's/v//')
-		uname_r="linux-image-${KERNEL}"
+		uname_r="${KERNEL}"
 
 		wget --no-verbose --directory-prefix=${TEMPDIR}/dl/ ${MIRROR}/${DISTARCH}/${FTP_DIR}/
 		ACTUAL_DEB_FILE=$(cat ${TEMPDIR}/dl/index.html | grep linux-image)
@@ -956,11 +956,11 @@ initrd_preseed_settings () {
 			sed -i -e 's:#d-i debian-installer:d-i debian-installer:g' ${TEMPDIR}/initrd-tree/preseed.cfg
 			sed -i -e 's:#d-i console-keymaps-at:d-i console-keymaps-at:g' ${TEMPDIR}/initrd-tree/preseed.cfg
 		fi
-		sed -i -e 's:initramfs-tools:initramfs-tools '$uname_r':g' ${TEMPDIR}/initrd-tree/preseed.cfg
+		sed -i -e 's:initramfs-tools:initramfs-tools linux-image-'$uname_r':g' ${TEMPDIR}/initrd-tree/preseed.cfg
 		cat ${TEMPDIR}/initrd-tree/preseed.cfg | grep linux-image
 		;;
 	jessie)
-		sed -i -e 's:initramfs-tools:initramfs-tools '$uname_r':g' ${TEMPDIR}/initrd-tree/preseed.cfg
+		sed -i -e 's:initramfs-tools:initramfs-tools linux-image-'$uname_r':g' ${TEMPDIR}/initrd-tree/preseed.cfg
 		cat ${TEMPDIR}/initrd-tree/preseed.cfg | grep linux-image
 		;;
 	esac