qcacld-3.0: Enable CONFIG_BCN_RATECODE_ENABLE

Enable CONFIG_BCN_RATECODE_ENABLE config flag for
lithium onwards target.

Change-Id: I9d39e9d6f71d14aa85e9f12f160f203906328c90
CRs-Fixed: 3593196

Kbuild

@@ -3659,6 +3659,7 @@ ccflags-$(CONFIG_ENABLE_VALLOC_REPLACE_MALLOC) += -DENABLE_VALLOC_REPLACE_MALLOC
 ccflags-$(CONFIG_WLAN_SYSFS_DFSNOL) += -DCONFIG_WLAN_SYSFS_DFSNOL
 ccflags-$(CONFIG_WLAN_SYSFS_WDS_MODE) += -DFEATURE_SYSFS_WDS_MODE
 ccflags-$(CONFIG_WLAN_SYSFS_ROAM_TRIGGER_BITMAP) += -DFEATURE_SYSFS_ROAM_TRIGGER_BITMAP
+cppflags-$(CONFIG_BCN_RATECODE_ENABLE) += -DWLAN_BCN_RATECODE_ENABLE
 
 ifeq ($(CONFIG_LEAK_DETECTION), y)
 ccflags-y += \