version.mk: add "%s" placeholder for dotted target.subtarget notation

Implement "%s" placeholder that expands to either the target name,
e.g. "ar71xx" if the subtarget is generic or to target.subtarget, e.g.
"ar71xx.nand" is a subtarget is choosen.

Also change the default repository url template to use "%s" instead
of "%T" to reflect the directory structure used by the buildbot systems.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43871 3c298f89-4303-0410-b956-a3cf2f4a3e73

include/version.mk

@@ -30,7 +30,7 @@ VERSION_NICK:=$(call qstrip_escape,$(CONFIG_VERSION_NICK))
 VERSION_NICK:=$(if $(VERSION_NICK),$(VERSION_NICK),$(RELEASE))
 
 VERSION_REPO:=$(call qstrip_escape,$(CONFIG_VERSION_REPO))
-VERSION_REPO:=$(if $(VERSION_REPO),$(VERSION_REPO),http://downloads.openwrt.org/snapshots/trunk/%T/packages)
+VERSION_REPO:=$(if $(VERSION_REPO),$(VERSION_REPO),http://downloads.openwrt.org/snapshots/trunk/%s/packages)
 
 VERSION_DIST:=$(call qstrip_escape,$(CONFIG_VERSION_DIST))
 VERSION_DIST:=$(if $(VERSION_DIST),$(VERSION_DIST),OpenWrt)
@@ -79,6 +79,7 @@ VERSION_SED:=$(SED) 's,%U,$(VERSION_REPO),g' \
 	-e 's,%R,$(REVISION),g' \
 	-e 's,%T,$(BOARD),g' \
 	-e 's,%S,$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic),g' \
+	-e 's,%s,$(BOARD)$(if $(SUBTARGET),.$(SUBTARGET)),g' \
 	-e 's,%t,$(VERSION_TAINTS),g' \
 	-e 's,%M,$(VERSION_MANUFACTURER),g' \
 	-e 's,%P,$(VERSION_PRODUCT),g' \