dev-libs/libdnet: customize libdnet ebuild for OEM

Dependency required by open-vm-tools.
dev-libs/libdnet: simplify further, remove python support
app-emulation/open-vm-tools: Add open-vm-tools

Stripped down open-vm-tools ebuild for installing to /usr/share/oem

Based on efforts by:
    Camilo Aguilar <camilo.aguilar@gmail.com>
    Alex Crawford <alex.crawford@coreos.com>
board-packages: build open-vm-tools binary packages.
oem-vmware: Add VMware OEM package, uses open-vm-tools

Originally contributed by Camilo Aguilar <camilo.aguilar@gmail.com>
Merge pull request #907 from marineam/open-vm-tools

VMware OEM and open-vm-tools
open-vm-tools: fix build-time dependencies

Although we don't want glib and procps to be in the runtime dependencies
due to the way OEM packages are handled we still want them included as
build-time dependencies so compilation is actually successful. :)
Merge pull request #909 from marineam/open-vm-tools

open-vm-tools: fix build-time dependencies
coreos-kernel: Adding MMC/SDHCI drivers

Adding the generic MMC driver as well as the corresponding SDCHI
components.  This will allow access for hardware which utilizes
MMC, SD, & SDHCI devices often used in embedded systems and for
emergency recovery partitions.
Merge pull request #908 from brianredbeard/mmc-sd-driver

coreos-kernel: Adding MMC/SDHCI drivers
coreos-kernel: enable Ceph FS