Add boot denial to bug_map

Suppress the boot test failure for this (harmless) denial.

Bug: 266506177
Change-Id: I0758d937f4a8220786e9ea4a9a61b283e5505a8a
Merged-In: I1202aef4de0cb306286514244510c59e5b2c0b34
diff --git a/tracking_denials/bug_map b/tracking_denials/bug_map
new file mode 100644
index 0000000..4401498
--- /dev/null
+++ b/tracking_denials/bug_map
@@ -0,0 +1 @@
+shell sysfs_wlc dir b/266506177