Fixes the following W=1 kernel build warning(s):

 drivers/soc/fsl/qe/qe_common.c:237: warning: Function parameter or member 'addr' not described in 'cpm_muram_dma'
 drivers/soc/fsl/qe/qe_common.c:237: warning: Excess function parameter 'offset' description in 'cpm_muram_dma'

Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: act <dmalek@jlc.net>
Cc: Dan Malek <dan@embeddedalley.com>
Cc: "Software, Inc" <source@mvista.com>
Cc: Vitaly Bordug <vbordug@ru.mvista.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>