simplify, avoid problems with musl patch, reported by Johnathan McKnight

toolchain/gcc/patches/4.9.3/microblaze-uclibc.patch

@@ -1,29 +0,0 @@
-diff -Nur gcc-4.9.2.orig/gcc/config/microblaze/linux.h gcc-4.9.2/gcc/config/microblaze/linux.h
---- gcc-4.9.2.orig/gcc/config/microblaze/linux.h	2014-01-02 16:23:26.000000000 -0600
-+++ gcc-4.9.2/gcc/config/microblaze/linux.h	2015-06-07 09:32:24.621501374 -0500
-@@ -25,10 +25,23 @@
- #undef TLS_NEEDS_GOT
- #define TLS_NEEDS_GOT 1
- 
--#define DYNAMIC_LINKER "/lib/ld.so.1"
-+#define GLIBC_DYNAMIC_LINKER	"/lib/ld-linux.so.2"
-+#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-+#if DEFAULT_LIBC == LIBC_UCLIBC
-+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
-+#elif DEFAULT_LIBC == LIBC_GLIBC
-+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
-+#else
-+#error "Unsupported DEFAULT_LIBC"
-+#endif
-+#define GNU_USER_DYNAMIC_LINKER \
-+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
-+
-+#define ELF_DYNAMIC_LINKER	GNU_USER_DYNAMIC_LINKER
-+
- #undef  SUBTARGET_EXTRA_SPECS
- #define SUBTARGET_EXTRA_SPECS \
--  { "dynamic_linker", DYNAMIC_LINKER }
-+  { "dynamic_linker", ELF_DYNAMIC_LINKER }
- 
- #undef LINK_SPEC
- #define LINK_SPEC "%{shared:-shared} \

toolchain/gcc/patches/4.9.3/microblaze.uclibc-ng

@@ -0,0 +1,19 @@
+diff -Nur gcc-4.9.3.orig/gcc/config/microblaze/linux.h gcc-4.9.3/gcc/config/microblaze/linux.h
+--- gcc-4.9.3.orig/gcc/config/microblaze/linux.h	2015-05-28 16:07:04.000000000 +0200
++++ gcc-4.9.3/gcc/config/microblaze/linux.h	2015-10-31 17:46:14.388940297 +0100
+@@ -28,10 +28,18 @@
+ #undef TLS_NEEDS_GOT
+ #define TLS_NEEDS_GOT 1
+ 
+-#define DYNAMIC_LINKER "/lib/ld.so.1"
++#define GLIBC_DYNAMIC_LINKER	"/lib/ld.so.1"
++#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
++
++#if DEFAULT_LIBC == LIBC_UCLIBC
++#define DYNAMIC_LINKER UCLIBC_DYNAMIC_LINKER
++#else
++#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
++#endif
++
+ #undef  SUBTARGET_EXTRA_SPECS
+ #define SUBTARGET_EXTRA_SPECS \