linux-yocto: fix do_patch failure due to lack of git config

This issue been addressed in oecore here:
http://lists.openembedded.org/pipermail/openembedded-core/2016-October/127230.html

Till the proper fix available in oecore, this is a temporary fix to pass git
committer environment to do_patch task.

Signed-off-by: amarnath <amarnath@valluri.com>

Author: avalluri

docker/local-build.sh

@@ -39,7 +39,7 @@ echo "$BUILD_NUMBER" > $WORKSPACE/.build_number
 CI_BUILD_ID="${BUILD_TIMESTAMP}-build-${BUILD_NUMBER}"
 
 # export other vars
-for var in WORKSPACE BASE_DISTRO CURRENT_PROJECT BUILD_CACHE_DIR GIT_PROXY_COMMAND CI_BUILD_ID TARGET_MACHINE; do
+for var in WORKSPACE BASE_DISTRO CURRENT_PROJECT BUILD_CACHE_DIR GIT_PROXY_COMMAND GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL CI_BUILD_ID TARGET_MACHINE; do
 	RUN_ARGS="$RUN_ARGS -e $var=${!var}"
 done
 # Point HOME to WORKSPACE, don't polute real home.

meta-ostro-xt/recipes-kernel/linux/linux-yocto_4.4.bbappend

@@ -33,3 +33,8 @@ SRC_URI_remove = " \
     file://0001-iio-tmp006-Set-correct-iio-name.patch \
     file://0001-iio-si7020-Set-correct-iio-name.patch \
 "
+
+do_patch_prepend() {
+  export GIT_COMMITTER_NAME="${GIT_COMMITTER_NAME}"
+  export GIT_COMMITTER_EMAIL="${GIT_COMMITTER_EMAIL}"
+}