meta-android: classes: kernel_android: implement class for creation of android compatible kernel images

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-samsung: linux-samsung-tuna: use kernel_android bbclass

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-samsung: linux-samsung-crespo: use kernel_android bbclass

Signed-off-by: Simon Busch <morphis@gravedo.de>
meta-asus: linux-asus-grouper: use kernel_android bbclass

Signed-off-by: Simon Busch <morphis@gravedo.de>