In some cases device may boot straight to ready and move to AMSS
execution environment. Serial number and OEM PK Hash values would
remain unpopulated in those scenarios. Move the reads for those
power up preparation phase for controllers to always have them
populated.
Signed-off-by: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>