Add new recipes for grub2 [v3]

This patchset adds a new recipe for grub2 and an accompanying changes to initramfs-live-install.

It's been preliminarily boot-tested with the meta-intel BSPs emenlow, and the legacy version (grub-0.97) was also tested with emenlow.

v3 changes:

Suggestions from Otavio Salvador to update copyright and add a patch header.

v2 changes:

Suggestions from Otavio Salvador to remove any distro-specific text and avoid duplicate scripts.

Tom Zanussi (2):
grub2: new recipe
initramfs-live-install: add support for grub2

 meta/recipes-bsp/grub/grub-1.99/40_custom          |    9 ++++
 .../grub/grub-1.99/grub-install.in.patch           |   15 +++++++
 meta/recipes-bsp/grub/grub_1.99.bb                 |   44 ++++++++++++++++++++
 .../initrdscripts/files/init-install.sh            |   31 +++++++++++---
 .../initrdscripts/initramfs-live-install_1.0.bb    |    8 +--
 5 files changed, 96 insertions(+), 11 deletions(-)
 create mode 100755 meta/recipes-bsp/grub/grub-1.99/40_custom
 create mode 100644 meta/recipes-bsp/grub/grub-1.99/grub-install.in.patch
 create mode 100644 meta/recipes-bsp/grub/grub_1.99.bb