[gdb] Fix typos

Fix a few typos:
- implemention -> implementation
- convertion(s) -> conversion(s)
- backlashes -> backslashes
- signoring -> ignoring
- (un)ambigious -> (un)ambiguous
- occured -> occurred
- hidding -> hiding
- temporarilly -> temporarily
- immediatelly -> immediately
- sillyness -> silliness
- similiar -> similar
- porkuser -> pokeuser
- thats -> that
- alway -> always
- supercede -> supersede
- accomodate -> accommodate
- aquire -> acquire
- priveleged -> privileged
- priviliged -> privileged
- priviledges -> privileges
- privilige -> privilege
- recieve -> receive
- (p)refered -> (p)referred
- succesfully -> successfully
- successfuly -> successfully
- responsability -> responsibility
- wether -> whether
- wich -> which
- disasbleable -> disableable
- descriminant -> discriminant
- construcstor -> constructor
- underlaying -> underlying
- underyling -> underlying
- structureal -> structural
- appearences -> appearances
- terciarily -> tertiarily
- resgisters -> registers
- reacheable -> reachable
- likelyhood -> likelihood
- intepreter -> interpreter
- disassemly -> disassembly
- covnersion -> conversion
- conviently -> conveniently
- atttribute -> attribute
- struction -> struct
- resonable -> reasonable
- popupated -> populated
- namespaxe -> namespace
- intialize -> initialize
- identifer(s) -> identifier(s)
- expection -> exception
- exectuted -> executed
- dungerous -> dangerous
- dissapear -> disappear
- completly -> completely
- (inter)changable -> (inter)changeable
- beakpoint -> breakpoint
- automativ -> automatic
- alocating -> allocating
- agressive -> aggressive
- writting -> writing
- reguires -> requires
- registed -> registered
- recuding -> reducing
- opeartor -> operator
- ommitted -> omitted
- modifing -> modifying
- intances -> instances
- imbedded -> embedded
- gdbaarch -> gdbarch
- exection -> execution
- direcive -> directive
- demanged -> demangled
- decidely -> decidedly
- argments -> arguments
- agrument -> argument
- amespace -> namespace
- targtet -> target
- supress(ed) -> suppress(ed)
- startum -> stratum
- squence -> sequence
- prompty -> prompt
- overlow -> overflow
- memember -> member
- languge -> language
- geneate -> generate
- funcion -> function
- exising -> existing
- dinking -> syncing
- destroh -> destroy
- clenaed -> cleaned
- changep -> changedp (name of variable)
- arround -> around
- aproach -> approach
- whould -> would
- symobl -> symbol
- recuse -> recurse
- outter -> outer
- freeds -> frees
- contex -> context

Tested on x86_64-linux.

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

gdbsupport/enum-flags.h

@@ -200,7 +200,7 @@ public:
   /* Convert this object to a std::string, using MAPPING as
      enumerator-to-string mapping array.  This is not meant to be
      called directly.  Instead, enum_flags specializations should have
-     their own to_string function wrapping this one, thus hidding the
+     their own to_string function wrapping this one, thus hiding the
      mapping array from callers.
 
      Note: this is defined outside the template class so it can use
@@ -338,7 +338,7 @@ ENUM_FLAGS_GEN_COMPOUND_ASSIGN (operator^=, ^)
    make.  It's important to disable comparison with unrelated types to
    prevent accidentally comparing with unrelated enum values, which
    are convertible to integer, and thus coupled with enum_flags
-   convertion to underlying type too, would trigger the built-in 'bool
+   conversion to underlying type too, would trigger the built-in 'bool
    operator==(unsigned, int)' operator.  */
 
 #define ENUM_FLAGS_GEN_COMP(OPERATOR_OP, OP)				\