Revert "qcacld-3.0: Bind ol_rx_thread to perf CPU"

Revert change I4e2a8d7f98907c205cc6988d8af309e7a5515b89 since
it introduced a build failure on some platforms along with an
inappropriately copyright change.

Change-Id: I1450c69211347afaa79642d99dd153f99f349694
CRs-Fixed: 2386432

configs/default_defconfig

@@ -88,7 +88,7 @@ endif
 ifeq ($(CONFIG_ARCH_QCS405), y)
 	CONFIG_WLAN_SYNC_TSF_PLUS := y
 	CONFIG_WLAN_SYNC_TSF_PLUS_NOIRQ := y
-	CONFIG_RX_PERFORMANCE := y
+	CONFIG_THREAD_PERFORMANCE := y
 endif
 
 #Flag to enable Legacy Fast Roaming2(LFR2)