external_sources.ecl: Exclude mbedtls, mcuboot, QCBOR

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ice1e3eeb9514606c4e830643b1aa9b73ee33783d
diff --git a/eclair/external_sources.ecl b/eclair/external_sources.ecl
index 4089025..9d9087a 100644
--- a/eclair/external_sources.ecl
+++ b/eclair/external_sources.ecl
@@ -8,6 +8,9 @@
 # control over them, can't easily fix issues in them, and generally that's
 # normally out of scope of the project).
 
+-file_tag+={external, "^mbedtls/.*$"}
+-file_tag+={external, "^mcuboot/.*$"}
+-file_tag+={external, "^QCBOR/.*$"}
 -file_tag+={external, "^trusted-firmware-m/platform/ext/cmsis/.*$"}
 -file_tag+={external, "^trusted-firmware-m/lib/ext/mbedcrypto/.*$"}