qcacld-3.0: Kbuild change to enable SCAN priority algorithm

Kbuild change to enable SCAN priority channel list algorithm.

Change-Id: I2dc24dd22e19da6db516332ae14edf4bc0f8cce4
CRs-Fixed: 2568889
diff --git a/Kbuild b/Kbuild
index 1b6d54e..79afe8b 100644
--- a/Kbuild
+++ b/Kbuild
@@ -3013,6 +3013,7 @@
 cppflags-y += -DCONFIG_CHAN_FREQ_API
 
 cppflags-$(CONFIG_BAND_6GHZ) += -DCONFIG_BAND_6GHZ
+cppflags-$(CONFIG_6G_SCAN_CHAN_SORT_ALGO) += -DFEATURE_6G_SCAN_CHAN_SORT_ALGO
 
 ccflags-$(CONFIG_HASTINGS_BT_WAR) += -DHASTINGS_BT_WAR