ARM: cache-l2x0: Save L2CC registers using pl310 save/resume

Renamed the l2x0_suspend and resume functions to l2cc suspend
and resume. Functions pl310 save/resume takes care of the L2CC
registers. Moving the functions outside CONFIG_OF so that
those could be directly used.

Change-Id: I07a156de37ee0504debbbd392bc017ebfa9cae1e
Signed-off-by: Taniya Das <tdas@codeaurora.org>
4 files changed