OMAP: Add ION system heap to omap board file

Conflicts:
        arch/arm/mach-omap2/pm44xx.c
	drivers/cpufreq/cpufreq_interactive.c
	drivers/misc/Makefile
	drivers/watchdog/omap_wdt.c
	sound/soc/omap/Kconfig
	sound/soc/omap/omap-abe.c
	sound/soc/omap/sdp4430.c

Change-Id: Id00ea214853dd8ad338238d59a1479edc277984f