[PATCH V3 0/3] ARM: S5PV310: Move and Update L2 cache init code

[Kukjin Kim]

This patch moves L2X0 cache init code from each machine to ARCH_S5PV310's cpu.c
for common usage and updates its feature such as L2X0 Prefetch and Power control
configuration.

Changes since v1 and v2:
- updated L2 cache init function's features.

[PATCH V3 1/3] ARM: Add L2X0 PREFETCH and POWER control register
[PATCH V3 2/3] ARM: S5PV310: Remove L2 cache init in machine
[PATCH V3 3/3] ARM: S5PV310: Add L2 cache init function in cpu.c