qcacld-3.0: Add config for channel enumeration

Add configuration for legacy channel enumeration. This is needed
to conditionally support new dynamic channel enumeration.

Change-Id: Id8ca6a0a0f28de84a4cc0933b466a8b99714aefd
CRs-Fixed: 2048784
diff --git a/Kbuild b/Kbuild
index a58fd37..c70b083 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1589,6 +1589,7 @@
 		-DWLAN_FEATURE_MBSSID \
 		-DCONFIG_160MHZ_SUPPORT \
 		-DCONFIG_MCL \
+		-DCONFIG_LEGACY_CHAN_ENUM \
 		-DNAPIER_SCAN \
 		-DWLAN_PMO_ENABLE \
 		-DCONVERGED_P2P_ENABLE \