brcm2708: add linux 4.4 support

- random-bcm2708 and spi-bcm2708 have been removed.
- sound-soc-bcm2708-i2s has been upstreamed as sound-soc-bcm2835-i2s.

Let's keep linux 4.1 for a while, since linux 4.4 appears to have some issues
with multicast traffic on RPi ethernet:
https://gist.github.com/Noltari/5b1cfdecce5ed4bc08fd

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 48266

1 files changed, 27 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0073-Update-ds1307-driver-for-device-tree-support.patch b/target/linux/brcm2708/patches-4.4/0073-Update-ds1307-driver-for-device-tree-support.patch
new file mode 100644
index 0000000..e2c5b2e
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0073-Update-ds1307-driver-for-device-tree-support.patch
@@ -0,0 +1,27 @@
+From 0a44043b0586ca2ea7f4af174ba18188c8dced82 Mon Sep 17 00:00:00 2001
+From: Ryan Coe <bluemrp9@gmail.com>
+Date: Sat, 31 Jan 2015 18:25:49 -0700
+Subject: [PATCH 073/127] Update ds1307 driver for device-tree support
+
+Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
+---
+ drivers/rtc/rtc-ds1307.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/drivers/rtc/rtc-ds1307.c
++++ b/drivers/rtc/rtc-ds1307.c
+@@ -1207,6 +1207,14 @@ static int ds1307_remove(struct i2c_clie
+ 	return 0;
+ }
+ 
++#ifdef CONFIG_OF
++static const struct of_device_id ds1307_of_match[] = {
++	{ .compatible = "maxim,ds1307" },
++	{ }
++};
++MODULE_DEVICE_TABLE(of, ds1307_of_match);
++#endif
++
+ static struct i2c_driver ds1307_driver = {
+ 	.driver = {
+ 		.name	= "rtc-ds1307",