media: rc: Add wakeup functionality from GPIO IR event

Add can_wakeup functionality flag so that host can wakeup from
IR event.

Change-Id: I5cfa95fc17f390271d315a38d14dcbccd49dda78
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c
index 74da638..6d8cc5c 100644
--- a/drivers/media/rc/gpio-ir-recv.c
+++ b/drivers/media/rc/gpio-ir-recv.c
@@ -115,6 +115,8 @@
 	if (rc < 0)
 		goto err_request_irq;
 
+	device_init_wakeup(pdata->can_wakeup);
+
 	return 0;
 
 err_request_irq: