pnv/phb3: Add missing break statement

We obviously don't want to print out an error message if addr points to
a valid register.

Reported-by: Coverity CID 1419391 Missing break in switch
Fixes: 9ae1329ee2fe "ppc/pnv: Add models for POWER8 PHB3 PCIe Host bridge"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158153365202.3229002.11521084761048102466.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
1 file changed