get_maintainer.pl: Add an ignore list for git history

As Pali Rohár has asked to not be copied on changes to files he is not
a specific maintainer of, add his address to .get_maintainer.ignore.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
diff --git a/.get_maintainer.ignore b/.get_maintainer.ignore
new file mode 100644
index 0000000..899a146
--- /dev/null
+++ b/.get_maintainer.ignore
@@ -0,0 +1 @@
+"Pali Rohár" <pali@kernel.org>