doc: fix regulator docs cut-and-pasteism

Minor copy-and-pasteism in the regulator docs (against
git from today):

Signed-off-by: Dave Gilbert <linux@treblig.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/power/regulator/consumer.txt b/Documentation/power/regulator/consumer.txt
index 5f83fd2..cdebb51 100644
--- a/Documentation/power/regulator/consumer.txt
+++ b/Documentation/power/regulator/consumer.txt
@@ -104,7 +104,7 @@
 
 Consumers can control their supply current limit by calling :-
 
-int regulator_set_current_limit(regulator, min_uV, max_uV);
+int regulator_set_current_limit(regulator, min_uA, max_uA);
 
 Where min_uA and max_uA are the minimum and maximum acceptable current limit in
 microamps.