Add -p flag (#5093)

Add the `-p` to the `mkdir` so it doesn't fail when the folder already exists

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

bin/native-install.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 cp "release/meshtasticd_linux_$(uname -m)" /usr/sbin/meshtasticd
-mkdir /etc/meshtasticd
+mkdir -p /etc/meshtasticd
 if [[ -f "/etc/meshtasticd/config.yaml" ]]; then
 	cp bin/config-dist.yaml /etc/meshtasticd/config-upgrade.yaml
 else