UPSTREAM: ASoC: rt5682: Minor code modification

Minor code changes are:
 - improve the readability in patch list
 - add i2c remove function
 - regmap_register_patch changes to regmap_multi_reg_write

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 37efe23d)
Signed-off-by: Samaga Prasanna Krishna <samaga.krishna@intel.corp-partner.google.com>

BUG=b:110025789
TEST=Test Audio use cases with full SOF 0.6 rebase release series applied.

Change-Id: I9db5430c7938fd7026f014ce73a2576bfd367017
Reviewed-on: https://chromium-review.googlesource.com/1353739


Commit-Ready: Curtis Malainey <cujomalainey@chromium.org>
Tested-by: Hou-hsun Lee <hou-hsun.lee@intel.corp-partner.google.com>
Reviewed-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Reviewed-by: Sudarshan S <sudarshan.s@intel.com>