microblaze: fix musl build for 2.26.1, so regression is between 2.26.1 and 2.27

target/config/Config.in.binutils

@@ -38,7 +38,6 @@ config ADK_TOOLCHAIN_BINUTILS_2_26_1
 	depends on !ADK_TARGET_ARCH_FRV
 	depends on !ADK_TARGET_ARCH_H8300
 	depends on !ADK_TARGET_ARCH_LM32
-	depends on !ADK_TARGET_ARCH_MICROBLAZE
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_NIOS2
 

toolchain/binutils/patches/2.26.1/microblaze.patch

@@ -0,0 +1,14 @@
+diff -Nur binutils-2.26.1.orig/bfd/elf32-microblaze.c binutils-2.26.1/bfd/elf32-microblaze.c
+--- binutils-2.26.1.orig/bfd/elf32-microblaze.c	2015-11-13 09:27:40.000000000 +0100
++++ binutils-2.26.1/bfd/elf32-microblaze.c	2016-10-20 19:06:58.655565765 +0200
+@@ -3296,8 +3296,8 @@
+          The entry in the global offset table will already have been
+          initialized in the relocate_section function.  */
+       if (bfd_link_pic (info)
+-          && (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,