Update some samples to use latest kernel headers and gcc-4.2.4 (latest stable?).

/trunk/samples/mips-unknown-linux-uclibc/crosstool.config | 7 4 3 0 ++++---
/trunk/samples/mipsel-unknown-linux-gnu/crosstool.config | 7 4 3 0 ++++---
/trunk/samples/alphaev56-unknown-linux-gnu/crosstool.config | 14 8 6 0 ++++++++------
3 files changed, 16 insertions(+), 12 deletions(-)

 # Compute powerpc-specific values

 CT_DoArchValues () {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

     # The kernel ARCH:

     CT_KERNEL_ARCH=powerpc

 }