clang-tidy: reduce repo-specific flags

Adjust the clang-tidy settings so that it does not need to have
a bunch of values related to the libpeci subproject.  In general
we should be ignoring any header files from any subprojects since
they are not under direct control of the repository-under-test.

Change-Id: I64d4e4bae20ca27aed68081b4270fa0ec8fc0543
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/include/linux/peci-ioctl.h b/include/linux/peci-ioctl.h
index 42a9979..f94c621 100644
--- a/include/linux/peci-ioctl.h
+++ b/include/linux/peci-ioctl.h
@@ -2,6 +2,7 @@
 /* Copyright (c) 2018-2019 Intel Corporation */
 
 // clang-format off
+// NOLINTBEGIN
 
 #ifndef __PECI_IOCTL_H
 #define __PECI_IOCTL_H
@@ -669,4 +670,6 @@
 #endif
 
 #endif /* __PECI_IOCTL_H */
+
+// NOLINTEND
 // clang-format on