pcu: fix syntax in PCU_Tests.cfg

There was a missing comma in the configuration as well the
indention was misaligned.

Related: OS#4953
Fixes: be7afce974a4 ("NS_Emulation: Respect data_weight==0 or signalling_weight==0")
Change-Id: I7f146ff71c107983e5787982970d0f6cd313cde9
1 file changed