- When referring to regmap, rename map to regmap
- inside hi6421-spmi-pmic, call private data struct as
  ddata.

No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/d23592b11ac606e3b9a3ff95a754cb75921e60aa.1611949675.git.mchehab+huawei@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>