use linaro gcc 4.7.3 for kernel building

Change-Id: I3499ae7d350939034f472f8efade229d18a0041e
Merge branch 'cm-10.1' of github.com:DerTeufel/android_device_samsung_smdk4412-common into cm-10.1
Revert "recovery.rc: setprop ro.cwm.enable_key_repeat true"

This reverts commit ada2d57a289eb8473c0b124b5d92a5ee024a70f5.