xilinx-dp: Add trailing '\n' to qemu_log() call

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20180606152128.449-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/display/xlnx_dp.c

@@ -1074,7 +1074,9 @@ static void xlnx_dp_avbufm_write(void *opaque, hwaddr offset, uint64_t value,
     case AV_BUF_STC_SNAPSHOT1:
     case AV_BUF_HCOUNT_VCOUNT_INT0:
     case AV_BUF_HCOUNT_VCOUNT_INT1:
-        qemu_log_mask(LOG_UNIMP, "avbufm: unimplmented");
+        qemu_log_mask(LOG_UNIMP, "avbufm: unimplemented register 0x%04"
+                                 PRIx64 "\n",
+                      offset << 2);
         break;
     default:
         s->avbufm_registers[offset] = value;