kernel: add some more ARM related configuration symbols

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37320 3c298f89-4303-0410-b956-a3cf2f4a3e73
realview: add support for 3.10 kernel

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37321 3c298f89-4303-0410-b956-a3cf2f4a3e73
realview: switch to 3.10 kernel

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37322 3c298f89-4303-0410-b956-a3cf2f4a3e73