ARM: OMAP2+: twl-common: Allow boards to customize the twl4030 audio setup

Boards with special audio routing can pass a custom omap_tw4030_pdata to the
audio machine driver.

At the same time update the board files using the same audio driver.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

diff --cc arch/arm/mach-omap2/board-cm-t35.c
Simple merge

diff --cc arch/arm/mach-omap2/board-devkit8000.c
Simple merge

diff --cc arch/arm/mach-omap2/board-igep0020.c
Simple merge

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

diff --cc arch/arm/mach-omap2/board-omap3evm.c
Simple merge

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

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

diff --cc arch/arm/mach-omap2/twl-common.h
Simple merge