A note to combat chroot error (#451)

* A note to combat chroot error

Just putting a note for time being. halium-install script should be updated to check for necessary binfmt-support configuration based on the provided architecture.

* attempt at fixing build errors

* one more

* Update Halium_install.rst

* Update Halium_install.rst

porting/build_and_boot/Halium_install.rst

@@ -77,4 +77,7 @@ For **Halium 9.0 ports**, use this command::
 
 where [SYSTEM_IMAGE] will be the file ``android-rootfs.img`` you downloaded and extracted, or alternatively the file ``system.img`` you built yourself.
 
-The script will copy and extract the files to their proper places, then allow you to set the user password for your device (the *phablet* user's password).
+The script will copy and extract the files to their proper places, then allow you to set the user password for your device (the *phablet* user's password).
+
+.. Note::
+    halium-install might fail due to unconfigured bintfmt-support for qemu throwing errors such as 'chroot: failed to run command ‘passwd’: Exec format error'.    To fix this, ``/proc/sys/fs/binfmt_misc/register`` should be updated. `binfmt-manager <https://github.com/mikkeloscar/binfmt-manager>`_ by `@mikkeloscar <https://github.com/mikkeloscar/>`_ can provide quickfix.