[ARM] pxa/cm-x300: add support for PXA310 cpu
[ARM] pxa/cm-x300: add support for PXA310 cpu

CM-X300 can be assembled with PXA300 and PXA310 CPU. Provide support for
both CPU variants.

Signed-off-by: Igor Grinberg <9e6f8d6081ce24a2c1d8f777071cb7290aaf46a3@compulab.co.il>
Signed-off-by: Mike Rapoport <a17fed27eaa842282862ff7c1b9c8395a26ac320@compulab.co.il>
Signed-off-by: Eric Miao <60e376623d7bcedd53f4c51cbb2c060fb40a4887@gmail.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs