defconfig: msm: Disable CONFIG_MSM_TZ_LOG from perf builds

DEBUGFS will be disabled on android R perf builds. Since tz logs
are dependent on debugfs, CONFIG_MSM_TZ_LOG needs to be removed
as well.

Change-Id: Ic09c4782cf1a79422f08a191b3d99a6b44550991
Signed-off-by: Prerna Kalla <prernak@codeaurora.org>