mesa_git.bb: Fix fetch and license errors.

Without these changes mesa_git.bb can't be enabled as the
PREFERRED_VERSION due to build breakage.

Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
package_deb: skip pre/postrm scripts on upgrade, write only one shebang

Trying to upgrade busybox removing symlinks but update-alternatives
need these links (sed, cut, tail, etc) in order to work.

Adding test to avoid this scripts on upgrade fix the problem, same
solution are found in package_rpm class.

[YOCTO #6768]

Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
gcc: backport patch for gcc bug 61144

This fixes gcc bug 6144, which in my case exhibited itself as a kernel
module that failed to load. This was because static platform_data
structures were being corrupted with the optimiser being set to any
value other than -O0.

Originally-submitted-by: Peter Urbanec <openembedded-devel@urbanec.net>

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
build-appliance-image: Update to dizzy head revision

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>