drivers/intel/fsp1_1: Replace for/break with returns

Coverity does not like the use of for/break, switch to using returns
instead.

Found-by: Coverity CID 1349855

TEST=Build and run on Galileo Gen2

Change-Id: I4e5767b09faefa275dd32d3b76dda063f7c22f6f
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14869
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed