libcamera: Fix conflict with omap libcamera

Don't build the generic libcamera on OMAP, the
Makefile targets conflict with the native omap
libcamera

Change-Id: Id4d147458b9b358d96166e9d944e9aaf2f8aa48c
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/libcamera/Android.mk b/libcamera/Android.mk
index 1275cfa..b15dc61 100644
--- a/libcamera/Android.mk
+++ b/libcamera/Android.mk
@@ -1,3 +1,6 @@
+# omap4 has its own native camera implementation, see
+# hardware/ti/omap4xxx
+ifneq ($(TARGET_BOARD_PLATFORM),omap4)
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 LOCAL_SRC_FILES:= \
@@ -35,3 +38,4 @@
 LOCAL_MODULE_TAGS:= optional
 
 include $(BUILD_SHARED_LIBRARY)
+endif