[x86] Allow segment and address-size overrides for LODS[BWLQ] (PR9385)
[x86] Allow address-size overrides for STOS[BWLQ] (PR9385)
[x86] Allow address-size overrides for SCAS{8,16,32,64} (PR9385)
]x86] Allow segment and address-size overrides for CMPS[BWLQ] (PR9385)
[x86] Allow segment and address-size overrides for MOVS[BWLQ] (PR9385)
[x86] Allow segment and address-size overrides for OUTS[BWLQ] (PR9385)
[x86] Allow segment and address-size overrides for INS[BWLQ] (PR9385)
[x86] Remove now-unused isSrcOp() and isDstOp() from X86AsmParser