includes: explicit cast of destination bitwidth of left shift

[DeHess]

Fix coding guideline MISRA C:2012 Rule 12.2:

The right hand operand of a shift operator shall lie in the range zero to one less than the width in bits of the essential type of the left hand operand.

This PR is part of the enhancement issue (#48002) which port the coding guideline fixes done by BUGSENG on the https://github.com/zephyrproject-rtos/zephyr/tree/v2.7-auditable-branch back to main

[github-actions]

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