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