At the moment an address value can only be used in the slicc code
to do TBE lookups but there is no way to add/subtract/divide/multiply
two addresses nor an address and an integer value.
This hinders the development of protocol specific code and
forces developers to place such code in shared
C++ structures
Change-Id: Ia184e793b6cd38f951f475a7cdf284f529972ccb
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>