elf.h: Sync with the gabi webpage

elf.h: Sync with the gabi webpage

  http://www.sco.com/developers/gabi/latest/ch4.eheader.html

Retrieved 2016-06-20.

        * elf/elf.h (EM_IAMCU, EM_SPU, EM_PDP10, EM_PDP11, EM_ARC_COMPACT,
        EM_VIDEOCORE, EM_TMM_GPP, EM_NS32K, EM_TPC, EM_SNP1K, EM_ST200,
        EM_IP2K, EM_MAX, EM_CR, EM_F2MC16, EM_MSP430, EM_BLACKFIN, EM_SE_C33,
        EM_SEP, EM_ARCA, EM_UNICORE, EM_EXCESS, EM_DXP, EM_ALTERA_NIOS2,
        EM_CRX, EM_XGATE, EM_C166, EM_M16C, EM_DSPIC30F, EM_CE, EM_M32C,
        EM_TSK3000, EM_RS08, EM_SHARC, EM_ECOG2, EM_SCORE7, EM_DSP24,
        EM_VIDEOCORE3, EM_LATTICEMICO32, EM_SE_C17, EM_TI_C6000, EM_TI_C2000,
        EM_TI_C5500, EM_TI_ARP32, EM_TI_PRU, EM_MMDSP_PLUS, EM_CYPRESS_M8C,
        EM_R32C, EM_TRIMEDIA, EM_QDSP6, EM_8051, EM_STXP7X, EM_NDS32,
        EM_ECOG1X, EM_MAXQ30, EM_XIMO16, EM_MANIK, EM_CRAYNV2, EM_RX,
        EM_METAG, EM_MCST_ELBRUS, EM_ECOG16, EM_CR16, EM_ETPU, EM_SLE9X,
        EM_L10M, EM_K10M, EM_AVR32, EM_STM8, EM_TILE64, EM_CUDA,
        EM_CLOUDSHIELD, EM_COREA_1ST, EM_COREA_2ND, EM_ARC_COMPACT2,
        EM_OPEN8, EM_RL78, EM_VIDEOCORE5, EM_78KOR, EM_56800EX, EM_BA1,
        EM_BA2, EM_XCORE, EM_MCHP_PIC, EM_KM32, EM_KMX32, EM_EMX16, EM_EMX8,
        EM_KVARC, EM_CDP, EM_COGE, EM_COOL, EM_NORC, EM_CSR_KALIMBA, EM_Z80,
        EM_VISIUM, EM_FT32, EM_MOXIE, EM_AMDGPU, EM_RISCV): New.
        (EM_NUM): Update.