samples: update all samples to latest config knobs

No new feature, no newer version, only updates so that
samples can be recalled without anything to set.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

testsuite: fix gcc test-suite

DG_TARGET does not exist as a variable, it is expanded only once
at installation time.

Reported-by: Bryan Hundven <bryanhundven@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

scripts: also overide LANG

On some systems, we also need to overide LANG as well as LC_ALL.

Reported-by: Geoffrey Lee <geoffl@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

contrib: fix gcc test suite on system without echo -e

Fix the use of quotes in contrib/gcc-test-suite/Makefile to solve the
problem where board.exp is incorrectly generated on some build systems
where 'echo -e' is not handled correctly.

Signed-off-by: Andy Gibbs <andyg1001@hotmail.co.uk>
[Yann E. MORIN: fix space damage, pretty-up the stuff]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

libc/glibc: fix glibc-2.10.1 patchset

There was a missing '#" to a '#define' line.

debug/gdb: Update version to 7.2

Signed-off-by: Jon Ringle <jon@ringle.org>

libc/newlib: add option to compile support for IOs on C99 formats

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

libc/newlib: add option to compile support for long long IOs

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

libc/newlib: add option to compile support for float IOs

Adds support to enable/disable IOs of floating point values
(float, double, and long double).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

Merge.