valgrind: update to the latest version, fix build issues on ARM

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/devel/valgrind/patches/130-fix_arm_arch_detection.patch

@@ -0,0 +1,17 @@
+Description: Fix FTBFS on armhf by correctly detecting the architecture
+Origin: vendor
+Bug-Debian: http://bugs.debian.org/730844
+Author: Alessandro Ghedini <ghedo@debian.org>
+Last-Update: 2013-11-30
+
+--- a/configure.ac
++++ b/configure.ac
+@@ -234,7 +234,7 @@ case "${host_cpu}" in
+         ARCH_MAX="s390x"
+         ;;
+ 
+-     armv7*)
++     arm*)
+ 	AC_MSG_RESULT([ok (${host_cpu})])
+ 	ARCH_MAX="arm"
+ 	;;