Move some machines which no longer build to meta-extras

om-gta01, om-gta02, nokia700, nokia800 and mx31litekit no longer build and we
don't have a maintainer for them so move them to meta-extras

Signed-off-by: Joshua Lock <josh@linux.intel.com>

diff --git a/meta/conf/machine/mx31litekit.conf b/meta-extras/conf/machine/mx31litekit.conf
similarity index 100%
rename from meta/conf/machine/mx31litekit.conf
rename to meta-extras/conf/machine/mx31litekit.conf

diff --git a/meta/conf/machine/nokia770.conf b/meta-extras/conf/machine/nokia770.conf
similarity index 100%
rename from meta/conf/machine/nokia770.conf
rename to meta-extras/conf/machine/nokia770.conf

diff --git a/meta/conf/machine/nokia800.conf b/meta-extras/conf/machine/nokia800.conf
similarity index 100%
rename from meta/conf/machine/nokia800.conf
rename to meta-extras/conf/machine/nokia800.conf

diff --git a/meta/conf/machine/om-gta01.conf b/meta-extras/conf/machine/om-gta01.conf
similarity index 100%
rename from meta/conf/machine/om-gta01.conf
rename to meta-extras/conf/machine/om-gta01.conf

diff --git a/meta/conf/machine/om-gta02.conf b/meta-extras/conf/machine/om-gta02.conf
similarity index 100%
rename from meta/conf/machine/om-gta02.conf
rename to meta-extras/conf/machine/om-gta02.conf