This patch adds the packages python3-signal, python3-enum and python3-selectors,
while it also fixes python3-subprocess which in turn fix the installation of
python3-modules
[YOCTO #10276]
(From OE-Core rev: 8c0f2775bcc25f460d7a0b38031690fa10a0f11d)
Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>