memory: ti-emif-sram: Add ti_emif_run_hw_leveling for DDR3 hardware leveling
In certain situations, such as when returning from low power modes, the EMIF must re-run hardware leveling to properly restore DDR3 access. This is accomplished by introducing a new ti-emif-sram-pm call, ti_emif_run_hw_leveling, to check if DDR3 is in use and if so, trigger the full write and read leveling processes. Suggested-by: NBrad Griffis <bgriffis@ti.com> Signed-off-by: NDave Gerlach <d-gerlach@ti.com> Acked-by: NSantosh Shilimkar <ssantosh@kernel.org> Signed-off-by: NTony Lindgren <tony@atomide.com>
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