refresh config

target/microblaze/uclibc-ng.config

@@ -38,6 +38,10 @@ TARGET_SUBARCH=""
 # Using ELF file format
 #
 ARCH_HAS_DEPRECATED_SYSCALLS=y
+ARCH_ANY_ENDIAN=y
+ARCH_BIG_ENDIAN=y
+ARCH_WANTS_BIG_ENDIAN=y
+# ARCH_WANTS_LITTLE_ENDIAN is not set
 ARCH_HAS_MMU=y
 ARCH_USE_MMU=y
 UCLIBC_HAS_FLOATS=y