python: reboot all python packages

Redefine python-full as all-pages-minus-a-few-that-don't make sense.
Remove all other packages.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: remove explicit rules in favor of using make/configure vars

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: remove --without-ensurepip; not needed anymore

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: cleanup Build/InstallDev rule

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: add HOST_PYTHON_LIB_DIR variable to python-package.mk

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: add PYTHONPATH var; this allows packages to configure it

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: add PKG_USE_MIPS16:=0 + handle CONFIG_USE_MIPS16

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
python: remove +libcrypto dep; that's a openssl lib

Signed-off-by: Alexandru Ardelean <ardeleanalex.com>