node: use default host install prefix

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

lang/node-arduino-firmata/Makefile

@@ -54,7 +54,7 @@ define Build/Compile
 	npm_config_nodedir=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/ \
 	npm_config_cache=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/npm-cache \
 	PREFIX="$(PKG_INSTALL_DIR)/usr/" \
-	$(STAGING_DIR)/host/bin/npm install -g $(PKG_BUILD_DIR)
+	npm install -g $(PKG_BUILD_DIR)
 endef
 
 define Package/node-arduino-firmata/install

lang/node-cylon/Makefile

@@ -69,7 +69,7 @@ define Build/Compile
 	npm_config_nodedir=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/ \
 	npm_config_cache=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/npm-cache \
 	PREFIX="$(PKG_INSTALL_DIR)/usr/" \
-	$(STAGING_DIR)/host/bin/npm install -g $(PKG_BUILD_DIR)
+	npm install -g $(PKG_BUILD_DIR)
 endef
 
 define Package/node-cylon/install

lang/node-hid/Makefile

@@ -53,7 +53,7 @@ define Build/Compile
 	npm_config_nodedir=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/ \
 	npm_config_cache=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/npm-cache \
 	PREFIX="$(PKG_INSTALL_DIR)/usr/" \
-	$(STAGING_DIR)/host/bin/npm install --build-from-source --target_arch=$(CPU) -g $(PKG_BUILD_DIR)
+	npm install --build-from-source --target_arch=$(CPU) -g $(PKG_BUILD_DIR)
 endef
 
 define Package/node-hid/install

lang/node-serialport/Makefile

@@ -53,7 +53,7 @@ define Build/Compile
 	npm_config_nodedir=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/ \
 	npm_config_cache=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/npm-cache \
 	PREFIX="$(PKG_INSTALL_DIR)/usr/" \
-	$(STAGING_DIR)/host/bin/npm install --build-from-source --target_arch=$(CPU) -g $(PKG_BUILD_DIR)
+	npm install --build-from-source --target_arch=$(CPU) -g $(PKG_BUILD_DIR)
 endef
 
 define Package/node-serialport/install

lang/node/Makefile

@@ -61,7 +61,7 @@ HOST_CONFIGURE_VARS:=
 HOST_CONFIGURE_ARGS:= \
 	--dest-os=linux \
 	--without-snapshot \
-	--prefix=$(STAGING_DIR)/host/
+	--prefix=$(HOST_BUILD_PREFIX)
 
 HOST_CONFIGURE_CMD:=python ./configure