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:
========================================
phDevContext to device_ctx
phDevNode to dev_nde
phDevObject to device_obj
phDispObject to dispatch_obj
phDmmMgr to dmm_manager
phDrvObject to drv_obj
phDRVObject to drv_obj
phIOMgr to io_man
phLoader to loader
phManager to manager
phMgrObject to mgr_obj
phMgr to mgr
phMsgMgr to msg_man
phMsgQueue to msgq
phNldrNode to nldr_nodeobj
========================================

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