[source] imx6: Add ds1672 RTC to kernel for working hctosys (Gateworks)

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/d9c37272885eb656b188ee3f98352fcdd5b32708

commit d9c37272885eb656b188ee3f98352fcdd5b32708
Author: Koen Vandeputte <koen.vandeputte at ncentric.com>
AuthorDate: Wed Oct 26 16:10:03 2016 +0200

    imx6: Add ds1672 RTC to kernel for working hctosys (Gateworks)
    
    Fixes the same hctosys init issue as described in commit
    5481ce9a1157a43d8b2c963e03fb243e70974361
    
    The Gateworks Ventana family uses an emulated Dallas 1672
    RTC device.
    
    Signed-off-by: Koen Vandeputte <koen.vandeputte at ncentric.com>
---
 target/linux/imx6/config-4.4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/imx6/config-4.4 b/target/linux/imx6/config-4.4
index 6d251b8..890ed18 100644
--- a/target/linux/imx6/config-4.4
+++ b/target/linux/imx6/config-4.4
@@ -351,6 +351,7 @@ CONFIG_RFS_ACCEL=y
 CONFIG_RPS=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_DS1672=y
 # CONFIG_RTC_DRV_IMXDI is not set
 # CONFIG_RTC_DRV_MXC is not set
 CONFIG_RWSEM_SPIN_ON_OWNER=y