toolchain: bump Codescape IMG MIPS version to 2016.05-06

Also...

- Fix a typo in Config.in
- Take into account the host's architecture to download the x86 or
  x86_64 version. This makes the IA32 libs dependency in unnecessary.

[Peter: fix kernel headers comment as pointed out by Romain]
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-external/toolchain-external-codescape-img-mips/Config.in

@@ -5,15 +5,14 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS
 	depends on BR2_MIPS_CPU_MIPS32R6 || (BR2_MIPS_CPU_MIPS64R6 && !BR2_MIPS_SOFT_FLOAT)
 	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
 	select BR2_INSTALL_LIBSTDCPP
-	select BR2_HOSTARCH_NEEDS_IA32_LIBS
-	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 	select BR2_TOOLCHAIN_HAS_FORTRAN
 	help
-	  Codescape IMG GNU Linux Toolchain 2015.10 for the MIPS
+	  Codescape IMG GNU Linux Toolchain 2016.05 for the MIPS
 	  architecture, from Imagination Technologies. It uses gcc
 	  4.9.2, binutils 2.24.90, glibc 2.20, gdb 7.9.1 and kernel
-	  headers 4.0. It has support for the following variants:
+	  headers 4.7. It has support for the following variants:
 	    - MIPS32r6 - Big-Endian, Hard-Float, 2008 NaN, o32 ABI
 	      Select 'MIPS (big endian)' Target Architecture
 	      Select 'mips 32r6' Target Architecture Variant

toolchain/toolchain-external/toolchain-external-codescape-img-mips/toolchain-external-codescape-img-mips.hash

@@ -1,3 +1,4 @@
 # Codescape toolchains from Imagination Technologies
-# From: http://codescape-mips-sdk.imgtec.com/components/toolchain/2016.05-03/downloads.html
-sha256 e3c1f292ac6a9f12480af431c85a7ed9dfa011a52fd62a50be3363ec6b9bc872  Codescape.GNU.Tools.Package.2016.05-03.for.MIPS.IMG.Linux.CentOS-5.x86.tar.gz
+# From: http://codescape-mips-sdk.imgtec.com/components/toolchain/2016.05-06/downloads.html
+sha256 8d9cdf711dd402d7bf82883d425c221038fe8ce9d0c91a3f6b30939d9d55476c  Codescape.GNU.Tools.Package.2016.05-06.for.MIPS.IMG.Linux.CentOS-5.x86.tar.gz
+sha256 6e2784d6df962fe4db7510c8a62ce3947b73f54207b10e18b52da59d1bc487bd  Codescape.GNU.Tools.Package.2016.05-06.for.MIPS.IMG.Linux.CentOS-5.x86_64.tar.gz

toolchain/toolchain-external/toolchain-external-codescape-img-mips/toolchain-external-codescape-img-mips.mk

@@ -4,11 +4,15 @@
 #
 ################################################################################
 
-TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_VERSION = 2016.05-03
+TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_VERSION = 2016.05-06
 TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_SITE = http://codescape-mips-sdk.imgtec.com/components/toolchain/$(TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_VERSION)
 TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_STRIP_COMPONENTS = 2
 
+ifeq ($(HOSTARCH),x86)
 TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_SOURCE = Codescape.GNU.Tools.Package.$(TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_VERSION).for.MIPS.IMG.Linux.CentOS-5.x86.tar.gz
+else
+TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_SOURCE = Codescape.GNU.Tools.Package.$(TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS_VERSION).for.MIPS.IMG.Linux.CentOS-5.x86_64.tar.gz
+endif
 
 # Special fixup for Codescape MIPS toolchains, that have bin-<abi> and
 # sbin-<abi> directories. We create symlinks bin -> bin-<abi> and sbin