python3-pkgconfig: add missing rdepends
Add missing rdepends to fix below error:
# python3
[snip]
>>> import pkgconfig
[snip]
ModuleNotFoundError: No module named 'shlex'
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>