[Feature][Temp] unrelease wifi driver code

Change-Id: Ie80a506b4747d493fa4509473bf10e0ac00055fe
diff --git a/meta/meta-mediatek-mt2735/recipes-kernel/linux/linux-mtk-extension_4.19.bbappend b/meta/meta-mediatek-mt2735/recipes-kernel/linux/linux-mtk-extension_4.19.bbappend
index 6d172d5..8c6890a 100644
--- a/meta/meta-mediatek-mt2735/recipes-kernel/linux/linux-mtk-extension_4.19.bbappend
+++ b/meta/meta-mediatek-mt2735/recipes-kernel/linux/linux-mtk-extension_4.19.bbappend
@@ -84,6 +84,9 @@
         install -d ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/modules
 	cp -Rf ${KERNEL_SRC}/* ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/linux/v4.19/
         cp -Rf ${MODULES_SRC}/* ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/modules/
+        rm -rf ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/linux/v4.19/drivers/net/wireless/bcmdhd
+        sed -i '/bcmdhd\//d' ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/linux/v4.19/drivers/net/wireless/Kconfig
+        sed -i '/bcmdhd\//d' ${DEPLOY_DIR_IMAGE_ROOT}/sdk/src/kernel/linux/v4.19/drivers/net/wireless/Makefile
 
 
 }