python-cython: Add new host-only package

The host build replaces the use of the host pip requirements file. This
also updates the dependants of Cython to depend on the host build.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/numpy/Makefile

@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=numpy
 PKG_VERSION:=1.23.3
-PKG_RELEASE:=$(AUTORELEASE)
+PKG_RELEASE:=2
 
 PYPI_NAME:=$(PKG_NAME)
 PKG_HASH:=51bf49c0cd1d52be0a240aa66f3458afc4b95d8993d2d04f0d91fa60c10af6cd
@@ -21,7 +21,7 @@ PKG_CPE_ID:=cpe:/a:numpy:numpy
 PKG_CONFIG_DEPENDS:= \
         CONFIG_NUMPY_OPENBLAS_SUPPORT
 
-HOST_PYTHON3_PACKAGE_BUILD_DEPENDS:=Cython
+PKG_BUILD_DEPENDS:=python-cython/host
 
 include ../pypi.mk
 include $(INCLUDE_DIR)/package.mk