dev-python/pyev: initial live version added

Signed-off-by: dennis.lan <dennis.lan@actions-semi.com>
dev-libs/libev: remove event.h to avoid conflict with libevent

Signed-off-by: dennis.lan <dennis.lan@actions-semi.com>
net-misc/phonesim: initial version added

Signed-off-by: Dennis Lan <dennis.lan@actions-semi.com>