Add reference to deprecated targets for accessors

Add a reference to target::local and target::constant_buffer for
accessors.

adoc/chapters/programming_interface.adoc

@@ -6535,8 +6535,11 @@ in <<table.accessors.command.buffer.capabilities>>.
 |====
 
 When an [code]#accessor# is used from within a <<sycl-kernel-function>>, the
-access target must be [code]#target::device#, otherwise the behavior is
-undefined.
+access target must be [code]#target::device#, [code]#target::constant_buffer#,
+or [code]#target::local#; otherwise the behavior is undefined.
+See <<sec:accessor.deprecated.target.constant.buffer>> and
+<<sec:accessor.deprecated.target.local>> for a description of the deprecated
+[code]#target::constant_buffer# and [code]#target::local# targets.
 
 When an [code]#accessor# is used from within a host task, the use of the
 accessor must correspond to the access target, otherwise the behavior is
@@ -7125,6 +7128,7 @@ size_t get_count() const
 |====
 
 
+[[sec:accessor.deprecated.target.constant.buffer]]
 ====== Accessor specialization with [code]#target::constant_buffer#
 
 The [code]#accessor# class may be specialized with target
@@ -7495,6 +7499,7 @@ std::add_pointer_t<value_type> get_pointer() const noexcept
 |====
 
 
+[[sec:accessor.deprecated.target.local]]
 ====== Accessor specialization with [code]#target::local#
 
 The [code]#accessor# class may be specialized with target [code]#target::local#,