samples: new PPC e300c3 sample

Gustavo wrote:

---8<---
Attached my ct-ng e300c3 toolchain config for:

powerpc-e300c3-linux-gnu [l X]
OS : linux-2.6.36.3
Companion libs : gmp-5.0.1 mpfr-3.0.0 ppl-0.10.2 cloog-ppl-0.15.10 mpc-0.8.2 libelf-0.8.13
binutils : binutils-2.21
C compiler : gcc-4.5.2 (C,C++)
C library : eglibc-2_12
Tools :
---8<---

Reported-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
["Yann E. MORIN" : updated to match new config options]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

 diff -durN binutils-2.20.1.orig/ld/ldmain.c binutils-2.20.1/ld/ldmain.c

 --- binutils-2.20.1.orig/ld/ldmain.c	2010-08-17 19:32:17.000000000 +0200

 +++ binutils-2.20.1/ld/ldmain.c	2010-08-17 19:32:18.000000000 +0200

 @@ -264,6 +264,7 @@

    link_info.keep_memory = TRUE;

    link_info.new_dtags = TRUE;

    link_info.combreloc = TRUE;

 +  link_info.relro = TRUE;

    link_info.strip_discarded = TRUE;

    link_info.emit_hash = TRUE;

  #ifndef __mips__