qcacld-3.0: Cleanup qpower vendor command

The original qpower vendor command implementation incorrectly configured
the qpower setting in firmware. Cleanup the implementation.

Change-Id: Id84eb7cf579a29da30f3366edef24821fcd5be55
CRs-Fixed: 1075582
diff --git a/core/hdd/src/wlan_hdd_cfg80211.c b/core/hdd/src/wlan_hdd_cfg80211.c
index ae1d71d..eb8fedd 100644
--- a/core/hdd/src/wlan_hdd_cfg80211.c
+++ b/core/hdd/src/wlan_hdd_cfg80211.c
@@ -3933,7 +3933,7 @@
 	u32 guard_time;
 	uint8_t set_value;
 	u32 ftm_capab;
-	uint8_t qpower;
+	u8 qpower;
 	QDF_STATUS status;
 	int attr_len;
 	int access_policy = 0;