crypt: create locking directory /run/cryptsetup

For LUKS2 partitions cryptsetup needs a locking directory. If it does
not exist, cryptsetup will create it, but produce a warning

WARNING: Locking directory /run/cryptsetup is missing!

in the process that we do not want to see in the dracut output.

modules.d/90crypt/cryptroot-ask.sh

@@ -8,6 +8,8 @@ NEWROOT=${NEWROOT:-"/sysroot"}
 
 . /lib/dracut-lib.sh
 
+mkdir -m 0700 /run/cryptsetup
+
 # if device name is /dev/dm-X, convert to /dev/mapper/name
 if [ "${1##/dev/dm-}" != "$1" ]; then
     device="/dev/mapper/$(dmsetup info -c --noheadings -o name "$1")"