MIMXRT1060_EVK: Disable deep sleep by default

[multiplemonomials]

Summary of changes

Per recent discussion, this disables deep sleep by default on the MIMXRT1060_EVK.

Impact of changes

Migration actions required

Documentation

Updated the info page

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Pull request type

[] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

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Test results

[] No Tests required for this change (E.g docs only update)
[] Covered by existing mbed-os tests (Greentea or Unittest)
[X] Tests / results supplied as part of this PR

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[multiplemonomials]

Test run for MIMXRT1060_EVK uploaded to https://mbed-ce.github.io/mbed-ce-test-tools/tests/