opts: Remove all usages of Report keyword.

gcc/brig/ChangeLog:

	* lang.opt: Remove usage of Report.

gcc/c-family/ChangeLog:

	* c.opt: Remove usage of Report.

gcc/ChangeLog:

	* common.opt: Remove usage of Report.
	* config/aarch64/aarch64.opt: Ditto.
	* config/alpha/alpha.opt: Ditto.
	* config/arc/arc.opt: Ditto.
	* config/arm/arm.opt: Ditto.
	* config/avr/avr.opt: Ditto.
	* config/bfin/bfin.opt: Ditto.
	* config/bpf/bpf.opt: Ditto.
	* config/c6x/c6x.opt: Ditto.
	* config/cr16/cr16.opt: Ditto.
	* config/cris/cris.opt: Ditto.
	* config/cris/elf.opt: Ditto.
	* config/csky/csky.opt: Ditto.
	* config/darwin.opt: Ditto.
	* config/fr30/fr30.opt: Ditto.
	* config/frv/frv.opt: Ditto.
	* config/ft32/ft32.opt: Ditto.
	* config/gcn/gcn.opt: Ditto.
	* config/i386/cygming.opt: Ditto.
	* config/i386/i386.opt: Ditto.
	* config/ia64/ia64.opt: Ditto.
	* config/ia64/ilp32.opt: Ditto.
	* config/linux-android.opt: Ditto.
	* config/linux.opt: Ditto.
	* config/lm32/lm32.opt: Ditto.
	* config/m32r/m32r.opt: Ditto.
	* config/m68k/m68k.opt: Ditto.
	* config/mcore/mcore.opt: Ditto.
	* config/microblaze/microblaze.opt: Ditto.
	* config/mips/mips.opt: Ditto.
	* config/mmix/mmix.opt: Ditto.
	* config/mn10300/mn10300.opt: Ditto.
	* config/moxie/moxie.opt: Ditto.
	* config/msp430/msp430.opt: Ditto.
	* config/nds32/nds32.opt: Ditto.
	* config/nios2/elf.opt: Ditto.
	* config/nios2/nios2.opt: Ditto.
	* config/nvptx/nvptx.opt: Ditto.
	* config/pa/pa.opt: Ditto.
	* config/pdp11/pdp11.opt: Ditto.
	* config/pru/pru.opt: Ditto.
	* config/riscv/riscv.opt: Ditto.
	* config/rl78/rl78.opt: Ditto.
	* config/rs6000/aix64.opt: Ditto.
	* config/rs6000/linux64.opt: Ditto.
	* config/rs6000/rs6000.opt: Ditto.
	* config/rs6000/sysv4.opt: Ditto.
	* config/rx/elf.opt: Ditto.
	* config/rx/rx.opt: Ditto.
	* config/s390/s390.opt: Ditto.
	* config/s390/tpf.opt: Ditto.
	* config/sh/sh.opt: Ditto.
	* config/sol2.opt: Ditto.
	* config/sparc/long-double-switch.opt: Ditto.
	* config/sparc/sparc.opt: Ditto.
	* config/tilegx/tilegx.opt: Ditto.
	* config/tilepro/tilepro.opt: Ditto.
	* config/v850/v850.opt: Ditto.
	* config/visium/visium.opt: Ditto.
	* config/vms/vms.opt: Ditto.
	* config/vxworks.opt: Ditto.
	* config/xtensa/xtensa.opt: Ditto.

gcc/lto/ChangeLog:

	* lang.opt: Remove usage of Report.