python-yieldfrom: fix wrong package name in license

Fix the _LICENSE and _LICENSE_FILES variables, that were mistakenly
created with PYTHON_JSONMODELS instead of PYTHON_YIELDFROM

Signed-off-by: Asaf Kahlon <asafka7@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-yieldfrom/python-yieldfrom.mk

@@ -8,8 +8,8 @@ PYTHON_YIELDFROM_VERSION = 1.0.3
 PYTHON_YIELDFROM_SOURCE = yieldfrom-$(PYTHON_YIELDFROM_VERSION).tar.gz
 PYTHON_YIELDFROM_SITE = https://pypi.python.org/packages/de/2d/05524f368e691846824d962b64f983e3fde9b8c10839e7efbc1b51d42de3
 PYTHON_YIELDFROM_SETUP_TYPE = setuptools
-PYTHON_JSONMODELS_LICENSE = MIT
-PYTHON_JSONMODELS_LICENSE_FILES = LICENSE
+PYTHON_YIELDFROM_LICENSE = MIT
+PYTHON_YIELDFROM_LICENSE_FILES = LICENSE
 
 $(eval $(python-package))
 $(eval $(host-python-package))