meta-hp: initramfs-boot-android: use a second file for rootfs detection

In our case the distro name changed recently and with that the old file we used for rootfs
detection /etc/<distro name>-release was not available anymore and therefor we couldn't
detect the rootfs anymore.

Signed-off-by: Simon Busch <morphis@gravedo.de>

meta-hp/recipes-core/initrdscripts/initramfs-boot-android/init-tenderloin.sh

@@ -24,7 +24,7 @@ mount_rootfs() {
         # sanity-check rootfs by checking that specific path exists
         # (automatic pass if distro_rootfs_file is unset, since /rfs/
         # mountpoint does exist)
-        if [ -e /rfs/${distro_rootfs_file} ]
+        if [ -e /rfs/${distro_rootfs_file} ] || [ -e /rfs/${distro_rootfs_file_old} ]
         then
           info "Using $ROOT as rootfs"
           return 0 # success