Revert "defconfig: disable CACHE_ERP"

This reverts commit a668a49686f4801a105e5c7721426ed5178eb777.

* apparently non-TMO devices do not like this (doesn't boot)

Conflicts:

	arch/arm/configs/lk_defconfig
acpuclock: remove L2 tweak but keep 2.8ghz slot
leanKernel v1.4.2

* also disable MSM_L1_ERR_PANIC just for TMO