qemu-log: Rename the public-facing cpu_set_log function to qemu_set_log

Rename the public-facing function cpu_set_log to qemu_set_log. This
requires us to rename the internal-only qemu_set_log() to
do_qemu_set_log().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/hw/ppc.c b/hw/ppc.c
index c52e22f..6053bd5 100644
--- a/hw/ppc.c
+++ b/hw/ppc.c
@@ -1189,7 +1189,7 @@
         break;
     case 2:
         printf("Set loglevel to %04" PRIx32 "\n", val);
-        cpu_set_log(val | 0x100);
+        qemu_set_log(val | 0x100);
         break;
     }
 }