VOL-4121 Image crc validation in bbsim

Change-Id: I8f53729e54db87d7d18cf09c7f2520da2f44a6ae
diff --git a/vendor/github.com/boguslaw-wojcik/crc32a/.gitignore b/vendor/github.com/boguslaw-wojcik/crc32a/.gitignore
new file mode 100644
index 0000000..a09c56d
--- /dev/null
+++ b/vendor/github.com/boguslaw-wojcik/crc32a/.gitignore
@@ -0,0 +1 @@
+/.idea