sdk: Remove go from SDK_TOOLCHAIN_LANGS for powerpc
PowerPC 32bit port of go compiler does not exist, remove it from list
Fixes SDK builds for qemupowerpc and other powerpc machines
(From OE-Core rev: 7308913fc007d1d5ea719aef6cb48079f402f417)
Signed-off-by: Peter Tatrai <peter.tatrai.ext@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>