camera: v4l2: Add msm_isp_cmd structure in msm_isp.h.

This structure replaces msm_vfe32_cmd, and is exported
to user space.

Signed-off-by: Shuzhen Wang <shuzhenw@codeaurora.org>
diff --git a/include/media/msm_isp.h b/include/media/msm_isp.h
index d57c4fb..b60216f 100644
--- a/include/media/msm_isp.h
+++ b/include/media/msm_isp.h
@@ -166,4 +166,10 @@
 #define VFE_CMD_PCA_ROLL_OFF_CFG                        120
 #define VFE_CMD_PCA_ROLL_OFF_UPDATE                     121
 
+struct msm_isp_cmd {
+	int32_t  id;
+	uint16_t length;
+	void     *value;
+};
+
 #endif /* __MSM_ISP_H__ */