[source] package/devel/trace-cmd: Add mirror

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/1531c9d3404a787b8a8babd5776bd7acf887ea11

commit 1531c9d3404a787b8a8babd5776bd7acf887ea11
Author: Daniel Engberg <daniel.engberg.lists at pyret.net>
AuthorDate: Mon Nov 14 00:55:38 2016 +0100

    package/devel/trace-cmd: Add mirror
    
    Adds Google's mirror as primary source and kernel.org as fallback.
    Same as commit 0d4f02dfd650612aac6c11860139be03a0f54bee
    
    Signed-off-by: Daniel Engberg <daniel.engberg.lists at pyret.net>
---
 package/devel/trace-cmd/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/devel/trace-cmd/Makefile b/package/devel/trace-cmd/Makefile
index 71aba3c..3571c1c 100644
--- a/package/devel/trace-cmd/Makefile
+++ b/package/devel/trace-cmd/Makefile
@@ -5,7 +5,9 @@ PKG_VERSION:=v2.6
 PKG_RELEASE=1
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
+PKG_SOURCE_URL:=\
+		https://kernel.googlesource.com/pub/scm/linux/kernel/git/rostedt/trace-cmd \
+		https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_VERSION:=9be5d74805830a291615f2f34a27c903f6a37b1e
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz