arch/riscv: Add option compiler for arch soc and board supported. [3/10]

PD#SWPL-68240

Problem:
New feautre added.

Solution:
Rename compiler.cmake to compiler_options.cmake for riscv.

Verify:
all projects

Change-Id: I1f78788763cd7f8d3f3cd98176e1d2f8fe177c48
Signed-off-by: Xiaohu.Huang <xiaohu.huang@amlogic.com>
1 file changed