[Feature][ZXW-262][ecall] support ecall, ecall voice has noise

       Affected branch: unknown
       Affected module: unknown
       Is it affected on both ZXIC and MTK: ZXIC
       Self-test: Yes
       Doc Update: No

Change-Id: Idede8dfbdd817d58404ace9a5cf8c4be6d006a58
2 files changed