ARM: OMAP2xxx: hwmod: Add DMA support for SHAM module

The current OMAP2 SHAM support doesn't enable DMA
so add that support so it can use DMA just like OMAP3.

CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

diff --cc arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
Simple merge

diff --cc arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
Simple merge