Include the missing header file to fix the following build error:
drivers/mfd/davinci_voicecodec.c: In function ‘davinci_vc_probe’:
drivers/mfd/davinci_voicecodec.c:86:3: error: implicit declaration of function
‘io_v2p’ [-Werror=implicit-function-declaration]
   (dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_WFIFO);
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

devm_* APIs are device managed and make code simpler.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

This is the MFD driver for the DaVinci Voice codec, it has two clients:

* Voice codec interface
* Voice codec CQ93VC
Signed-off-by: NMiguel Aguilar <miguel.aguilar@ridgerun.com>
Acked-by: NSamuel Ortiz <sameo@linux.intel.com>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>