defconfig: arm64: Update defconfig for trinket

Update the perf and non perf defconfig to enable features for
trinket as per other platform.

And also remove unused defconfig for trinket for both
perf and non perf.

Change-Id: Ia3628785a2e61cea16c51cf85d0d733e912fdb36
Signed-off-by: Gaurav Kohli <gkohli@codeaurora.org>