qcacld-3.0: move wlan_mac.bin to /mnt/vendor/persist

Move wlan_mac.bin symlink from /persist to /mnt/vendor/persist as
/persist doesn't exist in the filesystem anymore.

Change-Id: Ibb4b7f133222bf5431f754ef5fbf3b3db1ef8729
CRs-Fixed: 2327274
diff --git a/Android.mk b/Android.mk
index d0b6fbc..7e9cf88 100644
--- a/Android.mk
+++ b/Android.mk
@@ -77,9 +77,9 @@
 endif
 
 ifeq ($(PRODUCT_VENDOR_MOVE_ENABLED),true)
-$(shell ln -sf /persist/wlan_mac.bin $(TARGET_OUT_VENDOR)/firmware/wlan/qca_cld/wlan_mac.bin)
+$(shell ln -sf /mnt/vendor/persist/wlan_mac.bin $(TARGET_OUT_VENDOR)/firmware/wlan/qca_cld/wlan_mac.bin)
 else
-$(shell ln -sf /persist/wlan_mac.bin $(TARGET_OUT_ETC)/firmware/wlan/qca_cld/wlan_mac.bin)
+$(shell ln -sf /mnt/vendor/persist/wlan_mac.bin $(TARGET_OUT_ETC)/firmware/wlan/qca_cld/wlan_mac.bin)
 endif
 endif # DLKM check
 endif # supported target check