pcu: Update example config file

This commits sets the initial CS to 2 to allow a successful
connection setup if the radio link has a low quality. The slot
allocation algorithm is changed to 'dynamic', which is the binary's
current default anyway.

Sponsored-by: On-Waves ehf
diff --git a/examples/osmo-pcu.cfg b/examples/osmo-pcu.cfg
index 8e5bd51..b88e6e7 100644
--- a/examples/osmo-pcu.cfg
+++ b/examples/osmo-pcu.cfg
@@ -1,6 +1,6 @@
 pcu
  flow-control-interval 10
- cs 4
- alloc-algorithm b
+ cs 2
+ alloc-algorithm dynamic
  alpha 0
  gamma 0