staging: ti dspbridge: Rename words with camel case

The intention of this patch is to rename the remaining variables with camel
case. Variables will be renamed avoiding camel case and Hungarian notation.
The words to be renamed in this patch are:
========================================
pArb to arb
pbAlreadyAttached to already_attached
pBaseAddr to base_addr
pbHostBuf to host_buff
pBufVa to buf_va
pChnlInfo to channel_info
pConfig to config_param
pContent to content
pContext to context
pdcdProps to dcd_prop
pDepLibUuids to dep_lib_uuids
pDevNodeString to dev_node_strg
pDispAttrs to disp_attrs
pDsp to dsp
pdwAutoStart to auto_start
pdwChnl to chnl
========================================

Signed-off-by: Rene Sapiens <rene.sapiens@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>