C-SKY: Add dynamic relocations to elf.h

	* elf/elf.h (EM_CSKY, R_CKCORE_NONE, R_CKCORE_ADDR32)
	(R_CKCORE_PCRELIMM8BY4, R_CKCORE_PCRELIMM11BY2, R_CKCORE_PCREL32)
	(R_CKCORE_PCRELJSR_IMM11BY2, R_CKCORE_RELATIVE, R_CKCORE_COPY)
	(R_CKCORE_GLOB_DAT, R_CKCORE_JUMP_SLOT, R_CKCORE_GOTOFF)
	(R_CKCORE_GOTPC, R_CKCORE_GOT32, R_CKCORE_PLT32, R_CKCORE_ADDRGOT)
	(R_CKCORE_ADDRPLT, R_CKCORE_PCREL_IMM26BY2, R_CKCORE_PCREL_IMM16BY2)
	(R_CKCORE_PCREL_IMM16BY4, R_CKCORE_PCREL_IMM10BY2)
	(R_CKCORE_PCREL_IMM10BY4, R_CKCORE_ADDR_HI16, R_CKCORE_ADDR_LO16)
	(R_CKCORE_GOTPC_HI16, R_CKCORE_GOTPC_LO16, R_CKCORE_GOTOFF_HI16)
	(R_CKCORE_GOTOFF_LO16, R_CKCORE_GOT12, R_CKCORE_GOT_HI16)
	(R_CKCORE_GOT_LO16, R_CKCORE_PLT12, R_CKCORE_PLT_HI16)
	(R_CKCORE_PLT_LO16, R_CKCORE_ADDRGOT_HI16, R_CKCORE_ADDRGOT_LO16)
	(R_CKCORE_ADDRPLT_HI16, R_CKCORE_ADDRPLT_LO16)
	(R_CKCORE_PCREL_JSR_IMM26BY2, R_CKCORE_TOFFSET_LO16)
	(R_CKCORE_DOFFSET_LO16, R_CKCORE_PCREL_IMM18BY2)
	(R_CKCORE_DOFFSET_IMM18, R_CKCORE_DOFFSET_IMM18BY2)
	(R_CKCORE_DOFFSET_IMM18BY4, R_CKCORE_GOT_IMM18BY4)
	(R_CKCORE_PLT_IMM18BY4, R_CKCORE_PCREL_IMM7BY4, R_CKCORE_TLS_LE32)
	(R_CKCORE_TLS_IE32, R_CKCORE_TLS_GD32, R_CKCORE_TLS_LDM32)
	(R_CKCORE_TLS_LDO32, R_CKCORE_TLS_DTPMOD32, R_CKCORE_TLS_DTPOFF32)
	(R_CKCORE_TLS_TPOFF32): New defines.