Use -Werror in hardware/broadcom/wlan/bcmdhd

* Suppress existing warnings.

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I8ba575deb0480d1a8e27911c464cdf9984adc2c9
diff --git a/bcmdhd/dhdutil/Android.mk b/bcmdhd/dhdutil/Android.mk
index 4294413..c3a5614 100644
--- a/bcmdhd/dhdutil/Android.mk
+++ b/bcmdhd/dhdutil/Android.mk
@@ -30,6 +30,7 @@
 ifeq ($(TARGET_ARCH),arm)
 LOCAL_CFLAGS += -mabi=aapcs-linux
 endif
+LOCAL_CFLAGS += -Wall -Werror -Wno-unused-parameter
 LOCAL_C_INCLUDES +=$(LOCAL_PATH)/include
 
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
diff --git a/bcmdhd/wifi_hal/Android.mk b/bcmdhd/wifi_hal/Android.mk
index 9e4ed08..2db5f17 100644
--- a/bcmdhd/wifi_hal/Android.mk
+++ b/bcmdhd/wifi_hal/Android.mk
@@ -18,7 +18,14 @@
 # ============================================================
 include $(CLEAR_VARS)
 
-LOCAL_CFLAGS := -Wno-unused-parameter
+LOCAL_CFLAGS := \
+    -Wall \
+    -Werror \
+    -Wno-reorder \
+    -Wno-unused-function \
+    -Wno-unused-parameter \
+    -Wno-unused-private-field \
+    -Wno-unused-variable \
 
 LOCAL_C_INCLUDES += \
 	external/libnl/include \
diff --git a/bcmdhd/wpa_supplicant_8_lib/Android.mk b/bcmdhd/wpa_supplicant_8_lib/Android.mk
index c1d3c34..db350cf 100644
--- a/bcmdhd/wpa_supplicant_8_lib/Android.mk
+++ b/bcmdhd/wpa_supplicant_8_lib/Android.mk
@@ -60,6 +60,8 @@
 L_CFLAGS += -DBCMDHD_64_BIT_IPC
 endif
 
+L_CFLAGS += -Wall -Werror -Wno-unused-parameter -Wno-macro-redefined
+
 ########################
 
 include $(CLEAR_VARS)