configs: Add config fragment for gcov

This patch adds config options to enable gcov profile.
CONFIG_GCOV_KERNEL=y
CONFIG_GCOV_PROFILE_ALL=y
CONFIG_GCOV_FORMAT_AUTODETECT=y

From: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
diff --git a/linaro/configs/gcov.conf b/linaro/configs/gcov.conf
new file mode 100644
index 0000000..2d1209d
--- /dev/null
+++ b/linaro/configs/gcov.conf
@@ -0,0 +1,3 @@
+CONFIG_GCOV_KERNEL=y
+CONFIG_GCOV_PROFILE_ALL=y
+CONFIG_GCOV_FORMAT_AUTODETECT=y