[source] sdk: Allow to configure signed pacakge lists

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=3c6b091b65da47286ba4fc81d409023bdcf42629

commit 3c6b091b65da47286ba4fc81d409023bdcf42629
Author: Daniel Dickinson <lede at daniel.thecshore.com>
AuthorDate: Thu Jul 7 06:45:36 2016 -0400

    sdk: Allow to configure signed pacakge lists
    
    Add option to enable signing packages lists in SDK.
    
    Signed-off-by: Daniel Dickinson <lede at daniel.thecshore.com>
---
 target/sdk/files/Config.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/sdk/files/Config.in b/target/sdk/files/Config.in
index c7bc419..064cb05 100644
--- a/target/sdk/files/Config.in
+++ b/target/sdk/files/Config.in
@@ -12,6 +12,10 @@ menu "Global build settings"
 		bool "Select all userspace packages by default"
 		default y
 
+	config SIGNED_PACKAGES
+		bool "Cryptographically sign package lists"
+		default y
+
 endmenu
 
 config MODULES