m7spr: Update kernel dependency

Change-Id: I83c6130873a027f6415b1d9d3840d76ca31b35f6
m7spr: move multiple ring prop to msm8960

Change-Id: Ie0275b3e85a0cc8f9eb8de4eb03ebf4fd249ecde
m7spr: move some BoardConfig defines to m7-common

Change-Id: I0ce6d827569a00f57159926dd2bd49f4d2b80972
m7spr: Change inherit order

 * Move comon_full_phone.mk to top. Otherwise default notification
   and alarm tone will be completely wrong

Please see the following changes for an explanation/source:

http://review.cyanogenmod.org/#/c/59655/
http://review.cyanogenmod.org/#/c/59973/

Change-Id: I2490a1c5f50e3b4363ca3cef2c3b751cea98d086