perf amd ibs: Sync arch/x86/include/asm/amd-ibs.h header with the kernel

Sync load latency related bit fields into the tool's header copy

Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250205060547.1337-4-ravi.bangoria@amd.com