build: Modify Makefile for extension

- To be included as built-in, 'obj-' should be used
  instead of 'subdir' in Makefile

Change-Id: I5b7fafa0b07e15e067963fc231838f94f6555fba
Signed-off-by: bk0121.shin <bk0121.shin@samsung.com>

diff --git a/drivers/maru/Makefile b/drivers/maru/Makefile
index a3893c4f234dfa222c71865e70cc8791c7fb3c86..9ce26e33b386fccdab859c858975e0fe7d2365c8 100644 (file)
--- a/drivers/maru/Makefile
+++ b/drivers/maru/Makefile
@@ -11,4 +11,4 @@ obj-$(CONFIG_MARU_VIRTIO_SENSOR) += sensors/ #maru_virtio_sensor.o
 obj-$(CONFIG_MARU_BRILLCODEC) += maru_brillcodec.o
 obj-$(CONFIG_MARU_VIRTIO_VMODEM) += maru_virtio_vmodem.o
 obj-$(CONFIG_MARU_VIRTIO_ROTARY) += maru_virtio_rotary.o
-subdir-$(CONFIG_MARU_EXTENSION_SOURCE) += $(CONFIG_MARU_EXTENSION_SOURCE_PATH)
+obj-$(CONFIG_MARU_EXTENSION_SOURCE) += $(CONFIG_MARU_EXTENSION_SOURCE_PATH)/