fix microblaze musl combination

toolchain/binutils/patches/2.25.1/microblaze.patch

@@ -0,0 +1,16 @@
+From here:
+https://sourceware.org/bugzilla/show_bug.cgi?id=19516
+
+diff -Nur binutils-2.25.1.orig/bfd/elf32-microblaze.c binutils-2.25.1/bfd/elf32-microblaze.c
+--- binutils-2.25.1.orig/bfd/elf32-microblaze.c	2015-07-21 10:20:58.000000000 +0200
++++ binutils-2.25.1/bfd/elf32-microblaze.c	2016-02-14 11:38:45.822387506 +0100
+@@ -3293,8 +3293,7 @@
+          The entry in the global offset table will already have been
+          initialized in the relocate_section function.  */
+       if (info->shared
+-          && (info->symbolic || h->dynindx == -1)
+-          && h->def_regular)
++          && ((info->symbolic && h->def_regular) || h->dynindx == -1))
+         {
+           asection *sec = h->root.u.def.section;
+           microblaze_elf_output_dynamic_relocation (output_bfd,