re PR target/90096 (Misleading option hint for AVX intrinsics)
PR target/90096
* config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
print -m64/-mx32/-m32 if it is true.
(ix86_debug_options, ix86_function_specific_print): Pass true as
ADD_ABI_P to ix86_target_string.
(ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.