target/s390x/excp_helper: Remove DPRINTF() macro

target/s390x/excp_helper: Remove DPRINTF() macro

Debug macros that are disabled by default should be avoided (since the
code bit-rots quite easily). Thus turn these debug prints into proper
qemu_log_mask(CPU_LOG_xxx, ...) statements instead. The DPRINTF statements
in do_[ext|io|mchk]_interrupt can even be removed completely since we can
log the information in a central place, s390_cpu_do_interrupt, instead.

Signed-off-by: Thomas Huth <[email protected]>
Message-Id: <1538751601[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Signed-off-by: Cornelia Huck <[email protected]>