galaxysmtd: update recovery_keys

See http://review.cyanogenmod.org/62724

Change-Id: I1a8decb8c5ccc1a0540b1beec1bcb6415bcb08ca
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_galaxysmtd into cd-4.4