platform/x86: intel_telemetry_debugfs: Use standard ARRAY_SIZE() macro

Use the standard ARRAY_SIZE() macro instead of the custom
TELEM_EVT_LEN().

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
1 file changed