staging: tidspbridge: set1 remove hungarian from structs

hungarian notation will be removed from the elements inside
structures, the next varibles will be renamed:

dw_api_reg_base         api_reg_base
dw_brd_state            brd_state
dw_chnl_buf_size        chnl_buf_size
dw_chnl_offset          chnl_offset
dw_cmd                  cmd
dw_core_pm_base         core_pm_base
dw_dsp_base             dsp_base
dw_dsp_base_va          dsp_base_va
dw_dsp_bufs             dsp_bufs
dw_dsp_buf_size         dsp_buf_size
dw_dsp_clk_m2_base      dsp_clk_m2_base
dw_dsp_ext_base_addr    dsp_ext_base_addr
dw_dsp_phys_addr_offset dsp_phys_addr_offset
dw_dsp_start_add        dsp_start_add
dw_err_mask             err_mask
dw_gpp_base_pa          gpp_base_pa
dw_api_clk_base         api_clk_base
dw_api_reg_base         api_reg_base
dw_arg                  arg
dw_arg1                 arg1
dw_arg2                 arg2
dw_chnl_buf_size        chnl_buf_size

Signed-off-by: Rene Sapiens <rene.sapiens@ti.com>
Signed-off-by: Armando Uribe <x0095078@ti.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>