rename vpp-dpdk-dev to vpp-ext-deps

We need to have new tenants in the development package.
This is first of series of patches which will allow us to have multiple
external libs and tools packaged for developer's convenience.

Change-Id: I884bd75fba96005bbf8cea92774682b2228e0e22
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/build-data/packages/vpp.mk b/build-data/packages/vpp.mk
index 9980c66..185a4ef 100644
--- a/build-data/packages/vpp.mk
+++ b/build-data/packages/vpp.mk
@@ -19,18 +19,22 @@
 CMAKE?=cmake
 endif
 
+vpp_cmake_prefix_path  = /opt/vpp/external/$(shell uname -m)
+vpp_cmake_prefix_path += $(PACKAGE_INSTALL_DIR)external
+vpp_cmake_prefix_path := $(subst $() $(),;,$(vpp_cmake_prefix_path))
+
 vpp_cmake_args ?=
 vpp_cmake_args += -DCMAKE_INSTALL_PREFIX:PATH=$(PACKAGE_INSTALL_DIR)
 vpp_cmake_args += -DCMAKE_C_FLAGS="$($(TAG)_TAG_CFLAGS)"
 vpp_cmake_args += -DCMAKE_LINKER_FLAGS="$($(TAG)_TAG_LDFLAGS)"
-vpp_cmake_args += -DCMAKE_PREFIX_PATH:PATH="$(PACKAGE_INSTALL_DIR)/../dpdk"
+vpp_cmake_args += -DCMAKE_PREFIX_PATH:PATH="$(vpp_cmake_prefix_path)"
 
 # Use devtoolset on centos 7
 ifneq ($(wildcard /opt/rh/devtoolset-7/enable),)
 vpp_cmake_args += -DCMAKE_PROGRAM_PATH:PATH="/opt/rh/devtoolset-7/root/bin"
 endif
 
-vpp_configure_depend += dpdk-install
+vpp_configure_depend += external-install
 vpp_configure = \
   cd $(PACKAGE_BUILD_DIR) && \
   $(CMAKE) -G Ninja $(vpp_cmake_args) $(call find_source_fn,$(PACKAGE_SOURCE))