Clean up: Function abstraction in password file

Abstracted verifyPassword function in password source file
to make it more readable by creating a new function named
verifyIntegrityCheck.

Tested:
No oob-bios functionality impact.

Change-Id: I2a37eb12cbf33bcb560a819be37471adfde410b6
Signed-off-by: Smriti-Ayushi <smriti.ayushi@linux.intel.com>
2 files changed