remove -mmul32x16 from ARC 700 in Elf32 compiler

Signed-off-by: Yunlu Zhang <Yunlu.Zhang@synopsys.com>
For ARC 700 use -mea instead of -mEA in ELF32 compliler plugin

Signed-off-by: Yunlu Zhang <Yunlu.Zhang@synopsys.com>
For ARC 700 use -matomic instead of -mlock. Also option name "Atomic options"

Signed-off-by: Yunlu Zhang <Yunlu.Zhang@synopsys.com>
HS FPU option typoes fixed on both elf32/uclibc toolchain

Signed-off-by: Yunlu Zhang <Yunlu.Zhang@synopsys.com>