rpi-base-files: add back ntp-daemon dependency.

srcpkgs/rpi-base-files/template

@@ -9,7 +9,7 @@ license="Public domain"
 
 # XXX only for rpi
 only_for_archs="armv6l"
-makedepends="dhcpcd openssh-server"
+makedepends="ntp?ntp-daemon dhcpcd openssh-server"
 
 do_install() {
 	# Load the audio module by default.
@@ -25,7 +25,7 @@ base-files-rpi_package() {
 	# enable dhcpcd and sshd by default.
 	systemd_services="dhcpcd.service on sshd.service on"
 	replaces="base-system<0.77"
-	depends="dhcpcd openssh-server"
+	depends="${makedepends}"
 	pkg_install() {
 		vmove all
 	}