Fixed a broken ifeq check in root Android.mk

Change-Id: I201970f45cbccf0398fbde97a0aafe8f83b4f718
diff --git a/Android.mk b/Android.mk
index 007a6c3..94c3bb2 100644
--- a/Android.mk
+++ b/Android.mk
@@ -48,7 +48,7 @@
 
 ANT_DIR := src/vfs
 
-else ifeq($(BOARD_ANT_WIRELESS_DEVICE),"qualcomm-uart")
+else ifeq ($(BOARD_ANT_WIRELESS_DEVICE),"qualcomm-uart")
 
 ANT_DIR := src/bt-vendor_vfs