package/pkg-python.mk: fixup typo, PYTHON#_PATH --> PHYON3_PATH

Signed-off-by: Brock.Zheng <goodmenzy@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 54b57cf27107a80a626b28ab79fd4138aebfcee9)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pkg-python.mk

@@ -23,7 +23,7 @@
 # basename does not evaluate if a file exists, so we must check to ensure
 # the _sysconfigdata__linux_*.py file exists. The "|| true" is added to return
 # an empty string if the file does not exist.
-PKG_PYTHON_SYSCONFIGDATA_PATH = $(PYTHON#_PATH)/_sysconfigdata__linux_*.py
+PKG_PYTHON_SYSCONFIGDATA_PATH = $(PYTHON3_PATH)/_sysconfigdata__linux_*.py
 PKG_PYTHON_SYSCONFIGDATA_NAME = `{ [ -e $(PKG_PYTHON_SYSCONFIGDATA_PATH) ] && basename $(PKG_PYTHON_SYSCONFIGDATA_PATH) .py; } || true`
 
 # Target distutils-based packages