distro packaging: fix missing path for example

The boilerplate code for installing configs used in other Osmocom
projects doesn't only install the example configs to /etc/osmocom, but
also to /usr/share/doc/. Add the missing path.

Fixes: 905bc4d2 ("doc/examples: install bankd_pcsc_slots.csv")
Change-Id: I95e4aa34d54bb485ff7ebb5e44d9c1db92ad8fe0
diff --git a/debian/osmo-remsim-bankd.install b/debian/osmo-remsim-bankd.install
index a4afa70..548490c 100644
--- a/debian/osmo-remsim-bankd.install
+++ b/debian/osmo-remsim-bankd.install
@@ -2,3 +2,4 @@
 lib/systemd/system/osmo-remsim-bankd.service
 etc/default/osmo-remsim-bankd
 etc/osmocom/bankd_pcsc_slots.csv
+usr/share/doc/osmo-remsim/examples/bankd_pcsc_slots.csv