fix(sdei): print event number in hex format

SDEI specified event numbers in hexadecimal format.
Change event number format to hexadecimal to make
it easier for the reader to recognize the proper event.

Change-Id: Iac7a91d0910316e0ad54a8f09bc17209e8c6adf6
Signed-off-by: Vasyl Gomonovych <vgomonovych@marvell.com>
2 files changed