Add ERROR_IF checks to operators without specific ERROR_IFs

 * Operators implemented: sigmoid, tanh, arthmetic_right_shift,
mul, table, select, equal, greater, greater_equal, concat, reverse,
tile, scatter, gather, case
 * Note that over the course of implementation some specific ERROR_IF
checks have been added for some of the above operators

Change-Id: I80595e6eb9a3e5efd1cc6fd7aa28bbc2dd614980
Signed-off-by: Matthew Haddon <matthew.haddon@arm.com>
Signed-off-by: Les Bell <les.bell@arm.com>
Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>