enrc2b: CPU freq fix, memory fix, fixes for stability

Change-Id: I9c4dd97aef73eb3bd29fed6d8ec947f983988aeb
enrc2b: fix typo thanks @stesachse

Change-Id: I2ab66ab0d81199296ac4f355b5f30f48efe07f62
enrc2b: Add permissions for /proc/cmdline error

Change-Id: Id6c24405effeb6cee543a0d0ebba77cc6eb166e9