Remove cryptsetup-openrc from deps, add cryptsetup package

Since none of our isos use any encrypted partitions, we don't really
need the initscript. However, we do need the binary (in case of
encrypted root).

base/Packages-Root

@@ -45,9 +45,9 @@ mkinitcpio-openswap
 nano
 net-tools
 ntfs-3g
+cryptsetup
 @openrc acpid-openrc
 @openrc cronie-openrc
-@openrc cryptsetup-openrc
 @openrc dhcpcd-openrc
 @openrc haveged-openrc
 @openrc lvm2-openrc