[source] brcm2708: unbreak the spidev build

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/c21af889bbd34fd62502c9b1fa1dc2fee7b2f2f2

commit c21af889bbd34fd62502c9b1fa1dc2fee7b2f2f2
Author: John Crispin <john at phrozen.org>
AuthorDate: Tue Dec 20 13:47:57 2016 +0100

    brcm2708: unbreak the spidev build
    
    a generic patch made this patch fail to apply cleanly leading to aborted builds
    
    Signed-off-by: John Crispin <john at phrozen.org>
---
 ...-spidev-Add-spidev-compatible-string-to-silence-warni.patch | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/target/linux/brcm2708/patches-4.4/0081-spidev-Add-spidev-compatible-string-to-silence-warni.patch b/target/linux/brcm2708/patches-4.4/0081-spidev-Add-spidev-compatible-string-to-silence-warni.patch
index 7c5481b..b8859524 100644
--- a/target/linux/brcm2708/patches-4.4/0081-spidev-Add-spidev-compatible-string-to-silence-warni.patch
+++ b/target/linux/brcm2708/patches-4.4/0081-spidev-Add-spidev-compatible-string-to-silence-warni.patch
@@ -8,12 +8,14 @@ See: https://github.com/raspberrypi/linux/issues/1054
  drivers/spi/spidev.c | 1 +
  1 file changed, 1 insertion(+)
 
---- a/drivers/spi/spidev.c
-+++ b/drivers/spi/spidev.c
-@@ -695,6 +695,7 @@ static struct class *spidev_class;
- static const struct of_device_id spidev_dt_ids[] = {
+Index: linux-4.4.39/drivers/spi/spidev.c
+===================================================================
+--- linux-4.4.39.orig/drivers/spi/spidev.c	2016-12-20 13:45:27.000000000 +0100
++++ linux-4.4.39/drivers/spi/spidev.c	2016-12-20 13:46:06.627326840 +0100
+@@ -696,6 +696,7 @@
  	{ .compatible = "rohm,dh2228fv" },
  	{ .compatible = "lineartechnology,ltc2488" },
+ 	{ .compatible = "siliconlabs,si3210" },
 +	{ .compatible = "spidev" },
  	{},
  };