Update SAR RAM base address for OMAP5 based devices.
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>

These can now be moved to be local headers in mach-omap2.

Note that this patch removes arch/arm/plat-omap/devices.c as it
will get removed anyways with Paul Walmsley's patch
"ARM: OMAP: split OMAP1, OMAP2+ RNG device registration".
Signed-off-by: NTony Lindgren <tony@atomide.com>

OMAP5430 is Texas Instrument's SOC based on ARM Cortex-A15 SMP
architecture. It's a dual core SOC with GIC used for interrupt
handling and with an integrated L2 cache controller.

OMAP5432 is another variant of OMAP5430, with a
memory controller supporting DDR3 and SATA.

Patch includes:
 - The machine specific headers and sources updates.
 - Platform header updates.
 - Minimum initialisation support for serial.
 - IO table init
Signed-off-by: NR Sricharan <r.sricharan@ti.com>
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>