perf/x86/amd: Add IBS OP_DATA2 DataSrc bit definitions

IBS_OP_DATA2 DataSrc provides detail about location of the data
being accessed from by load ops. Define macros for legacy and
extended DataSrc values.

Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220928095805.596-3-ravi.bangoria@amd.com