add some missing \n at end of file

This to avoid the “No newline at end of file” error from patch/git.

Change-Id: Ice82d4a36a0893e8f71dbffbdab154d1fbab8a09

elements/deploy-kexec/README.md

@@ -1,3 +1,3 @@
 Boots into the new image once baremetal-deploy-helper signals
 it is finished by downloading the kernel and ramdisk via tftp,
-and using the kexec utilities.
+and using the kexec utilities.

elements/fedora/element-deps

@@ -4,4 +4,4 @@ dkms
 redhat-common
 rpm-distro
 source-repositories
-yum
+yum

elements/redhat-common/README.md

@@ -10,4 +10,4 @@ Overrides:
    image. This is useful in that you can use a customized or previously built
    cloud image from diskimage-builder as input. The cloud image does not have
    to have been built by diskimage-builder. It should be a full disk image,
-   not just a filesystem image.
+   not just a filesystem image.

elements/redhat-common/pre-install.d/02-lsb

@@ -2,4 +2,4 @@
 
 set -eu
 
-install -m 0755 -o root -g root /opt/stack/lsb-release/lsb_release /usr/local/bin
+install -m 0755 -o root -g root /opt/stack/lsb-release/lsb_release /usr/local/bin

elements/rhel/pre-install.d/10-yum-blacklist

@@ -3,4 +3,4 @@
 set -eu
 set -o pipefail
 
-echo "ccache dkms" > /tmp/yum-blacklist
+echo "ccache dkms" > /tmp/yum-blacklist

elements/selinux-permissive/README.md

@@ -1,4 +1,4 @@
 Puts selinux into permissive mode by writing SELINUX=permissive
 to /etc/selinux/config
 
-Enable this element when debugging selinux issues.
+Enable this element when debugging selinux issues.

elements/ubuntu/element-deps

@@ -1,4 +1,4 @@
 cache-url
 dib-run-parts
 dkms
-dpkg
+dpkg