fix ppc toolchain build

SVN-Revision: 27551

toolchain/gcc/patches/linaro/200-ppc_include_config_linux_h.patch

+--- a/gcc/config.gcc
++++ b/gcc/config.gcc
+@@ -2028,7 +2028,7 @@ powerpc-*-rtems*)
+ 	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-rtems t-rtems rs6000/t-ppccomm"
+ 	;;
+ powerpc-*-linux* | powerpc64-*-linux*)
+-	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h"
++	tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h freebsd-spec.h rs6000/sysv4.h"
+ 	extra_options="${extra_options} rs6000/sysv4.opt"
+ 	tmake_file="t-dfprules rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+ 	maybe_biarch=yes