qemu-log: Rename cpu_str_to_log_mask to qemu_str_to_log_mask

Rename cpu_str_to_log_mask() to qemu_str_to_log_mask(), since
the qemu_log functionality is no longer restricted to TCG CPU
debug logging.

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/qemu-log.c b/qemu-log.c
index 786d335..10a8581 100644
--- a/qemu-log.c
+++ b/qemu-log.c
@@ -136,7 +136,7 @@
 }
 
 /* takes a comma separated list of log masks. Return 0 if error. */
-int cpu_str_to_log_mask(const char *str)
+int qemu_str_to_log_mask(const char *str)
 {
     const CPULogItem *item;
     int mask;