Implements a low-level IPI driver for Quark SE mailboxes.
Configures the Quark SE platform to initialize it and
configure an IPI console from ARC->LMT on channel 4.
Change-Id: I30123771d04c2e06ea6fcca585fd4ef74c0717a7
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
Signed-off-by: Anas Nashif <anas.nashif@intel.com>