u-boot: add 2013.01

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
uboot-tools: bump to version 2013.01

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
kernel-headers: bump 3.{0, 4, 7}.x stable versions

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
linux: bump 3.7.x stable version

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
gd: ensure libpng-config from staging is used

The gd package configure call 'libpng-config' to get the compiler
flags required to use the libpng. The configure correctly allow to
specify the path of the staging libpng-config by using the
ac_cv_path_LIBPNG_CONFIG but the configure.ac call simply
'libpng-config' instead of the specified one. The configure.ac is now
modified to call the specified libpng_config.

[Peter: explictly pass --without-png instead of auto detect]
Signed-off-by: Jean-Christian de Rivaz <jc@eclis.ch>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
gd: explictly disable freetype support when not available

Otherwise it will try to run freetype-config from the host to check
for availability.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Merge branch 'master' of git://git.buildroot.net/buildroot