wlan: Save recent power control mode set by user

Since the default power control value is set to CLPC mode, any power
values set by the user is ignored.

This commit ensures power control method is updated properly, thus
allowing the user to set the power.

Change-Id: Ib9cea1d459ea423aa710c67e0650315901743331
CRs-Fixed: 685859
diff --git a/CORE/HDD/src/wlan_hdd_ftm.c b/CORE/HDD/src/wlan_hdd_ftm.c
index 8ca21e7..b961f2c 100644
--- a/CORE/HDD/src/wlan_hdd_ftm.c
+++ b/CORE/HDD/src/wlan_hdd_ftm.c
@@ -3716,6 +3716,8 @@
         goto done;
     }
 
+    ftm_status.powerCtlMode= pwr_mode;
+
  done:
     return status;