[sim] Run spellcheck.sh in sim (part 1)

[sim] Run spellcheck.sh in sim (part 1)

Run gdb/contrib/spellcheck.sh on directory sim.

Fix auto-corrected typos:
...
accessable -> accessible
accidently -> accidentally
accomodate -> accommodate
adress -> address
afair -> affair
agains -> against
agressively -> aggressively
annuled -> annulled
arbitary -> arbitrary
arround -> around
auxillary -> auxiliary
availablity -> availability
clasic -> classic
comming -> coming
controled -> controlled
controling -> controlling
destory -> destroy
existance -> existence
explictly -> explicitly
faciliate -> facilitate
fouth -> fourth
fullfilled -> fulfilled
guarentee -> guarantee
hinderance -> hindrance
independant -> independent
inital -> initial
loosing -> losing
occurance -> occurrence
occured -> occurred
occuring -> occurring
omited -> omitted
oportunity -> opportunity
parallely -> parallelly
permissable -> permissible
postive -> positive
powerfull -> powerful
preceed -> precede
preceeding -> preceding
preceeds -> precedes
primative -> primitive
probaly -> probably
programable -> programmable
propogate -> propagate
propper -> proper
recieve -> receive
reconized -> recognized
refered -> referred
refering -> referring
relevent -> relevant
responisble -> responsible
retreive -> retrieve
safty -> safety
specifiying -> specifying
spontanous -> spontaneous
sqaure -> square
successfull -> successful
supress -> suppress
sytem -> system
thru -> through
transfered -> transferred
trigered -> triggered
unfortunatly -> unfortunately
upto -> up to
usefull -> useful
wierd -> weird
writen -> written
doesnt -> doesn't
isnt -> isn't
...

Manually undid the "andd -> and" transformation in sim/testsuite/cr16/andd.cgs
and sim/cr16/simops.c.

Tested by rebuilding on x86_64-linux.

Approved-By: Tom Tromey <tom@tromey.com>