add perl config for sparc64

BUGS

@@ -1,3 +1,4 @@
-- uclibc N64 ABI on mips64{,el} targets does not work, nptl fork problem
+- sparc: uclibc toolchain is broken
+- sparc64: ide driver not working, only virtio (but unstable)
 - microblaze big endian: network card emulation fails
 - microblaze: qemu reboot not working

package/glibc/files/libc.so.sparc64

@@ -0,0 +1,5 @@
+/* GNU ld script
+   Use the shared library, but some functions are only in
+   the static library, so try that secondarily.  */
+OUTPUT_FORMAT(elf64-sparc)
+GROUP ( /lib/libc.so.6 /usr/lib/libc_nonshared.a  AS_NEEDED ( /lib/ld-linux.so.2 ) )