drm/amd/display: dmub_cmd.h: correct typos and spellos

drm/amd/display: dmub_cmd.h: correct typos and spellos

Fix spelling issues that are reported by codespell:

dmub_cmd.h:332: alighment ==> alignment
dmub_cmd.h:2029: sequeunce ==> sequence
dmub_cmd.h:3684: optimzations ==> optimizations
dmub_cmd.h:4491: isntance ==> instance
dmub_cmd.h:4514: optimzations ==> optimizations
dmub_cmd.h:4604: isntance ==> instance
dmub_cmd.h:4643: isntance ==> instance
dmub_cmd.h:4679: isntance ==> instance
dmub_cmd.h:4699: isntance ==> instance
dmub_cmd.h:4719: isntance ==> instance
dmub_cmd.h:4735: isntance ==> instance
dmub_cmd.h:4749: isntance ==> instance
dmub_cmd.h:4795: isntance ==> instance
dmub_cmd.h:4903: isntance ==> instance
dmub_cmd.h:4936: isntance ==> instance
dmub_cmd.h:5066: re-use ==> reuse
dmub_cmd.h:6552: isntance ==> instance
dmub_cmd.h:6630: isntance ==> instance
dmub_cmd.h:6639: optimzations ==> optimizations
dmub_cmd.h:6720: isntance ==> instance
dmub_cmd.h:6742: isntance ==> instance

and fix a few that I found:

dicated		==> dictated (7x)
afftet		==> after (is this correct?)

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>