Live image installer did not preserve BSP specified console= kernel parameter.
This patch updates the init scripts that are responsible for grub.cfg creation
so that options like console= are passed allong from installer to installed img
[YOCTO #2426]
(From OE-Core rev: e18c59eb5a61f265b9cad6de68359fa1430b0e58)
Signed-off-by: Radu Moisan <radu.moisan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>