update ELFYaml for V91

Author: quic-areg

llvm/lib/ObjectYAML/ELFYAML.cpp

@@ -507,6 +507,7 @@ void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
     BCaseMask(EF_HEXAGON_MACH_V85, EF_HEXAGON_MACH);
     BCaseMask(EF_HEXAGON_MACH_V87, EF_HEXAGON_MACH);
     BCaseMask(EF_HEXAGON_MACH_V89, EF_HEXAGON_MACH);
+    BCaseMask(EF_HEXAGON_MACH_V91, EF_HEXAGON_MACH);
     BCaseMask(EF_HEXAGON_ISA_V2, EF_HEXAGON_ISA);
     BCaseMask(EF_HEXAGON_ISA_V3, EF_HEXAGON_ISA);
     BCaseMask(EF_HEXAGON_ISA_V4, EF_HEXAGON_ISA);
@@ -530,6 +531,7 @@ void ScalarBitSetTraits<ELFYAML::ELF_EF>::bitset(IO &IO,
     BCaseMask(EF_HEXAGON_ISA_V85, EF_HEXAGON_ISA);
     BCaseMask(EF_HEXAGON_ISA_V87, EF_HEXAGON_ISA);
     BCaseMask(EF_HEXAGON_ISA_V89, EF_HEXAGON_ISA);
+    BCaseMask(EF_HEXAGON_ISA_V91, EF_HEXAGON_ISA);
     break;
   case ELF::EM_AVR:
     BCaseMask(EF_AVR_ARCH_AVR1, EF_AVR_ARCH_MASK);