[source] toolchain: remove powerpc64 feature

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/9e91d3271848fb9093b1a7f92ac9542ced8da88d

commit 9e91d3271848fb9093b1a7f92ac9542ced8da88d
Author: Florian Larysch <fl at n621.de>
AuthorDate: Thu Nov 3 14:30:53 2016 +0100

    toolchain: remove powerpc64 feature
    
    The powerpc64 feature flag was introduced with the PS3 support, which
    has been removed for quite a while and is now unused. Remove it and the
    special biarch handling it triggered during the toolchain build.
    
    Signed-off-by: Florian Larysch <fl at n621.de>
---
 toolchain/Config.in | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index f6753ad..cb29fe5 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -168,7 +168,6 @@ menuconfig EXTRA_TARGET_ARCH
 	bool
 	prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
 	depends on !sparc
-	default y	if powerpc64
 	default n
 	help
 	  Some builds may require a 'biarch' toolchain. This option
@@ -178,7 +177,6 @@ menuconfig EXTRA_TARGET_ARCH
 
 	config EXTRA_TARGET_ARCH_NAME
 		string
-		default "powerpc64"	if powerpc64
 		prompt "Extra architecture name" if EXTRA_TARGET_ARCH
 		help
 		  Specify the cpu name (eg powerpc64 or x86_64) of the
@@ -186,7 +184,6 @@ menuconfig EXTRA_TARGET_ARCH
 
 	config EXTRA_TARGET_ARCH_OPTS
 		string
-		default "-m64"		if powerpc64
 		prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH
 		help
 		  If you're specifying an addition target architecture,