toolchain: Bump ARC tools to arc-2016.09-rc2

As described at:
4520524ba0
this commit continues a series of updates of ARC tools.
This time we're updating tools to arc-2016.09-rc2.

This change contains a set of minor fixes and updates.

Signed-off-by: Vlad Zakharov <vzakhar@synopsys.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/binutils/Config.in.host

@@ -22,7 +22,7 @@ endchoice
 
 config BR2_BINUTILS_VERSION
 	string
-	default "arc-2016.09-rc1"	if BR2_arc
+	default "arc-2016.09-rc2"	if BR2_arc
 	default "2.25.1"	if BR2_BINUTILS_VERSION_2_25_X
 	default "2.26.1"	if BR2_BINUTILS_VERSION_2_26_X
 	default "2.27"		if BR2_BINUTILS_VERSION_2_27_X

package/binutils/binutils.hash

@@ -5,4 +5,4 @@ sha512  9d9165609fd3b0f20d616f9891fc8e2b466eb13e2bfce40125e12427f8f201d20e2b8322
 sha512	cf276f84935312361a2ca077e04d0b469d23a3aed979d8ba5d92ea590904ffb2c2e7ed12cc842822bfc402836be86f479660cef3791aa62f3753d8a1a6f564cb  binutils-2.27.tar.bz2
 
 # Locally calculated (fetched from Github)
-sha512  d0befdeb0a7b76efd1ad655fc062cde2aa67be7b26210c913ab2709e069d815c4ff2863ce7add1f6434da5a2f4faf1ce5a5bc3d0e64f3e04548a7479f24edcbc  binutils-arc-2016.09-rc1.tar.gz
+sha512  d2ae310dc1bdac8fcbeb7d1e5cd009a32d45d433ed1f0eaf4cddb3a86c803a89ef11df1db87b6fa45193a64c59197902ac84dd011f1b3dbac88edeb40b91833e  binutils-arc-2016.09-rc2.tar.gz

package/binutils/binutils.mk

@@ -9,7 +9,7 @@
 BINUTILS_VERSION = $(call qstrip,$(BR2_BINUTILS_VERSION))
 ifeq ($(BINUTILS_VERSION),)
 ifeq ($(BR2_arc),y)
-BINUTILS_VERSION = arc-2016.09-rc1
+BINUTILS_VERSION = arc-2016.09-rc2
 else
 BINUTILS_VERSION = 2.25.1
 endif