fix(lsinitrd.sh): add a missing path to image

The initramfs file for Fedora/RedHat CoreOS can be found under
`/lib/modules/${KERNEL_VERSION}/initramfs.img', add this path
to image search logic.

Signed-off-by: Kenneth D'souza <kennethdsouza94@gmail.com>

lsinitrd.sh

@@ -131,6 +131,8 @@ else
         image="/boot/efi/${MACHINE_ID}/${KERNEL_VERSION}/initrd"
     elif [[ -f /lib/modules/${KERNEL_VERSION}/initrd ]]; then
         image="/lib/modules/${KERNEL_VERSION}/initrd"
+    elif [[ -f /lib/modules/${KERNEL_VERSION}/initramfs.img ]]; then
+        image="/lib/modules/${KERNEL_VERSION}/initramfs.img"
     elif [[ -f /boot/initramfs-${KERNEL_VERSION}.img ]]; then
         image="/boot/initramfs-${KERNEL_VERSION}.img"
     elif [[ $MACHINE_ID ]] \