qcacmn: Clean up CONFIG_MCL from qdf_lock.c

Clean up CONFIG_MCL from qdf_lock.c file by replacing with
feature flag FEATURE_RUNTIME_PM for which included header
files are used.

Change-Id: I9afff730b1b96a75888ca48b33c0020667d651fc
CRs-Fixed: 2477462
diff --git a/qdf/linux/src/qdf_lock.c b/qdf/linux/src/qdf_lock.c
index 474d6fe..f07e7ac 100644
--- a/qdf/linux/src/qdf_lock.c
+++ b/qdf/linux/src/qdf_lock.c
@@ -23,7 +23,7 @@
 
 #include <qdf_types.h>
 #include <i_host_diag_core_event.h>
-#ifdef CONFIG_MCL
+#ifdef FEATURE_RUNTIME_PM
 #include <cds_api.h>
 #include <hif.h>
 #endif