[source] kernel: remove CONFIG_ZONE_DMA_FLAG from 4.9

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/67a322a79c84f43c276a8780c6d81e33ade1fcde

commit 67a322a79c84f43c276a8780c6d81e33ade1fcde
Author: Sergey Ryazanov <ryazanov.s.a at gmail.com>
AuthorDate: Wed May 31 00:46:41 2017 +0300

    kernel: remove CONFIG_ZONE_DMA_FLAG from 4.9
    
    There are no CONFIG_ZONE_DMA_FLAG config symbol since 4.7.
    
    Signed-off-by: Sergey Ryazanov <ryazanov.s.a at gmail.com>
---
 target/linux/generic/config-4.9 | 1 -
 1 file changed, 1 deletion(-)

diff --git a/target/linux/generic/config-4.9 b/target/linux/generic/config-4.9
index f50f0f0..3b69930 100644
--- a/target/linux/generic/config-4.9
+++ b/target/linux/generic/config-4.9
@@ -5266,7 +5266,6 @@ CONFIG_XZ_DEC=y
 # CONFIG_ZLIB_DEFLATE is not set
 # CONFIG_ZLIB_INFLATE is not set
 CONFIG_ZONE_DMA=y
-CONFIG_ZONE_DMA_FLAG=1
 # CONFIG_ZPA2326 is not set
 # CONFIG_ZPOOL is not set
 # CONFIG_ZRAM is not set