qcacld-3.0: Disable LFR3.0 for SDX20

Since wifi chip do not supprot LFR3.0 on SDX20, disable LFR3.0
feature in Kbuild, and fix a compilation error.

CRs-Fixed: 2009403
Change-Id: I16eb3bd68d5564801be9cbcf9db1386cb0e3953b
diff --git a/Kbuild b/Kbuild
index a8eb85b..3e77f40 100644
--- a/Kbuild
+++ b/Kbuild
@@ -72,7 +72,9 @@
 	#Flag to enable Legacy Fast Roaming2(LFR2)
 	CONFIG_QCACLD_WLAN_LFR2 := y
 	#Flag to enable Legacy Fast Roaming3(LFR3)
+	ifneq ($(CONFIG_ARCH_SDXHEDGEHOG), y)
 	CONFIG_QCACLD_WLAN_LFR3 := y
+	endif
 
 	# JB kernel has CPU enablement patches, so enable
 	ifeq ($(CONFIG_ROME_IF),pci)