[Feature][ZXW-29]modify spi1 to master for spi1 loopback test

Only Configure: No
Affected branch: master
Affected module: spi1
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: Ic7eebcdd34e8f3a6a2695aa9ecbb50b345f3c9f1
1 file changed