initial commit - integrate only system core

Rebases the Intel core/drivers for Quark (X1000) from
kernel 3.8.7 to  the current stable kernel 3.18.1.
This commit enables only the system core, the
micro SD card slot and serial line

Signed-off-by: Todor Minchev <todor@minchev.co.uk>
add README.md

Signed-off-by: Todor Minchev <todor@minchev.co.uk>