util: Move hash_table_call_foreach to util hash table

util: Move hash_table_call_foreach to util hash table

It is included through the util/hash_table include in
the program hash_table, so this should be safe.
This will be needed when we start converting each use of
the program_hash_table, as some places need this function.

Signed-off-by: Thomas Helland <thomashelland90@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>