cepheus: Convert WiFi firmware symlinks to install_symlink targets

* The last bit that was preventing building hermetic images.

Change-Id: I75bb7de4593a7992f6015317cf97e088beeba0cb
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>

Android.bp

@@ -5,3 +5,17 @@ soong_namespace {
         "hardware/xiaomi",
     ],
 }
+
+install_symlink {
+    name: "firmware_wlan_mac.bin_symlink",
+    vendor: true,
+    installed_location: "firmware/wlan/qca_cld/wlan_mac.bin",
+    symlink_target: "/mnt/vendor/persist/wlan_mac.bin",
+}
+
+install_symlink {
+    name: "firmware_WCNSS_qcom_cfg.ini_symlink",
+    vendor: true,
+    installed_location: "firmware/wlan/qca_cld/WCNSS_qcom_cfg.ini",
+    symlink_target: "/vendor/etc/wifi/WCNSS_qcom_cfg.ini",
+}

Android.mk

@@ -55,20 +55,4 @@ $(DSP_MOUNT_POINT): $(LOCAL_INSTALLED_MODULE)
 
 ALL_DEFAULT_INSTALLED_MODULES += $(FIRMWARE_MOUNT_POINT) $(BT_FIRMWARE_MOUNT_POINT) $(DSP_MOUNT_POINT)
 
-WIFI_FIRMWARE_SYMLINKS := $(TARGET_OUT_VENDOR)/firmware/wlan/qca_cld/
-$(WIFI_FIRMWARE_SYMLINKS): $(LOCAL_INSTALLED_MODULE)
-	@echo "Creating wifi firmware symlinks: $@"
-	mkdir -p $@
-	$(hide) ln -sf /vendor/etc/wifi/WCNSS_qcom_cfg.ini $@/WCNSS_qcom_cfg.ini
-	$(hide) ln -sf /mnt/vendor/persist/wlan_mac.bin $@/wlan_mac.bin
-
-WCNSS_MAC_SYMLINK := $(TARGET_OUT_VENDOR)/firmware/wlan/qca_cld/wlan_mac.bin
-$(WCNSS_MAC_SYMLINK): $(LOCAL_INSTALLED_MODULE)
-	@echo "WCNSS MAC bin link: $@"
-	@mkdir -p $(dir $@)
-	@rm -rf $@
-	$(hide) ln -sf /mnt/vendor/persist/$(notdir $@) $@
-
-ALL_DEFAULT_INSTALLED_MODULES += $(WIFI_FIRMWARE_SYMLINKS)
-
 endif

device.mk

@@ -607,3 +607,8 @@ PRODUCT_PROPERTY_OVERRIDES += \
 # Mac Address Generator
 PRODUCT_PACKAGES += \
     wifi-mac-generator
+
+# WiFi firmware symlinks
+PRODUCT_PACKAGES += \
+    firmware_wlan_mac.bin_symlink \
+    firmware_WCNSS_qcom_cfg.ini_symlink