mox-support: add provide and conflict between alternative packages

Both support packages can't be installed. This ensures that only one of
them is.

This also reorders stuff around to be more consistent (to have same
order of packages trough file).

hardware/mox/mox-support/Makefile

@@ -9,18 +9,15 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mox-support
 PKG_VERSION:=2.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_MAINTAINER:=CZ.NIC <packaging@turris.cz>
 
 include $(INCLUDE_DIR)/package.mk
 
 define Package/mox-generic-support
   TITLE:=Generic MOX support package
-  DEPENDS:=@TARGET_mvebu_cortexa53_DEVICE_cznic-mox +mtd +kmod-gpio-button-hotplug +mox-dtb
-endef
-
-define Package/mox-generic-support/description
- Contains generic supporting files for Turris MOX.
+  DEPENDS:=@TARGET_mvebu_cortexa53_DEVICE_cznic-mox \
+    +mtd +kmod-gpio-button-hotplug +mox-dtb
 endef
 
 define Package/mox-support
@@ -28,13 +25,19 @@ define Package/mox-support
   DEPENDS:=@TARGET_mvebu_cortexa53_DEVICE_cznic-mox +mox-generic-support
 endef
 
-define Package/mox-support/description
- Contains supporting files for Turris MOX.
-endef
-
 define Package/shield-support
   TITLE:=Shield support package
   DEPENDS:=@TARGET_mvebu_cortexa53_DEVICE_cznic-mox +mox-generic-support
+  PROVIDES:=mox-support
+  CONFLICTS:=mox-support
+endef
+
+define Package/mox-generic-support/description
+ Contains generic supporting files for Turris MOX.
+endef
+
+define Package/mox-support/description
+ Contains supporting files for Turris MOX.
 endef
 
 define Package/shield-support/description
@@ -81,6 +84,6 @@ define Package/shield-support/install
 	$(INSTALL_BIN) ./files/enable_updater $(1)/etc/uci-defaults/10_updater-enable
 endef
 
-$(eval $(call BuildPackage,mox-support))
 $(eval $(call BuildPackage,mox-generic-support))
+$(eval $(call BuildPackage,mox-support))
 $(eval $(call BuildPackage,shield-support))