ARM: OMAP2+: Use omap initcalls

This way the initcalls don't run on other SoCs on multiplatform
kernels. Otherwise we'll get something like this when booting
on vexpress:

omap_hwmod: _ensure_mpu_hwmod_is_setup: MPU initiator hwmod mpu not yet registered
...
WARNING: at arch/arm/mach-omap2/pm.c:82 _init_omap_device+0x74/0x94()
_init_omap_device: could not find omap_hwmod for mpu
...
omap-dma-engine omap-dma-engine: OMAP DMA engine driver
...

Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --cc arch/arm/mach-omap2/board-omap3beagle.c
Simple merge

diff --cc arch/arm/mach-omap2/board-rx51-video.c
Simple merge

diff --cc arch/arm/mach-omap2/clock2xxx.c
Simple merge

diff --cc arch/arm/mach-omap2/clock3xxx.c
Simple merge

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

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

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

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

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

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

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

diff --cc arch/arm/mach-omap2/hdq1w.c
Simple merge

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

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

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

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

diff --cc arch/arm/mach-omap2/omap4-common.c
Simple merge

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

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

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

diff --cc arch/arm/mach-omap2/opp3xxx_data.c
Simple merge

diff --cc arch/arm/mach-omap2/opp4xxx_data.c
Simple merge

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

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

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

diff --cc arch/arm/mach-omap2/prm3xxx.c
Simple merge

diff --cc arch/arm/mach-omap2/prm44xx.c
Simple merge

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

diff --cc arch/arm/mach-omap2/smartreflex-class3.c
Simple merge

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

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