add to the changelog

Author: vermashi

src/ResourceManager/Compute/Commands.Compute/ChangeLog.md

@@ -34,6 +34,7 @@
 * Updated all help files to include full parameter types and correct input/output types.
 * Update description for Set-AzureRmVMOSDisk
 * Update Example 1 for Set-AzureRmVMBginfoExtension to correct spelling and prefix. 
+* Fix Get-AzureRmVMDiskEncryptionStatus cmdlet for certain singlepass related scenarios
 
 ## Version 5.3.0
 * Add -Tag parameter to Update/New-AzureRmAvailabilitySet