Add IRNSS svid range to HAL doc

- IRNSS was added in GNSS HAL v2.0, and its svid range was not specified
at that time. The existing client implementations wouldn't be broken
because they either don't support IRNSS yet or already use such a range
(specified in IRNSS ICD v1.1).

Bug: 147675678

Test: doc only and builds
Change-Id: If86555bf7d3019428d80299043c52ea81aa34bc5