ti-utils: fix github tarball to use commit id

Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ti-utils/ti-utils.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 TI_UTILS_VERSION = 06dbdb2
-TI_UTILS_SITE = http://github.com/gxk/ti-utils/tarball/master
+TI_UTILS_SITE = http://github.com/gxk/ti-utils/tarball/$(TI_UTILS_VERSION)
 TI_UTILS_DEPENDENCIES = libnl
 
 define TI_UTILS_BUILD_CMDS