Andrew Turner e93448dd69 Only create one ITS configuration table
When there are multiple ITS devices in the system we would allocate a
configuration table for each, however only one table is needed as all the
ITS devices share this.

Allocate a table only when the global table is unset.

While here fix the type of this to be a pointer to a uint8_t array as the
entries are all 8 bits wide.

MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
2020-01-31 10:30:13 +00:00
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