[ARM] PR 64149: Remove -mlra/-mno-lra option for ARM.

[ARM] PR 64149: Remove -mlra/-mno-lra option for ARM.

gcc/
2015-01-20  Matthew Wahab  <matthew.wahab@arm.com>

	PR target/64149
	* config/arm/arm.option: Remove lra option and arm_lra_flag variable.
	* config/arm/arm.h (MODE_BASE_REG_CLASS): Remove use of arm_lra_flag,
	replace the conditional with it's true branch.
	* config/arm/arm.c (TARGET_LRA_P): Set to hook_bool_void_true.
	(arm_lra_p): Remove.

gcc/testsuite/
2015-01-20  matthewhew Wahab  <matthew.wahab@arm.com>

	PR target/64149
	* gcc.target/arm/armthumb1-far-jump-3.c: Remove.

From-SVN: r219884