livepatch: always print XENLOG_ERR information

livepatch: always print XENLOG_ERR information

A lot of legitimate error messages were hidden behind debug printk
only. Most of these messages can be triggered by loading a malformed
hotpatch payload and are priceless for understanding issues with such
payloads.
Thus, always display all relevant XENLOG_ERR messages.

Signed-off-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Amit Shah <aams@amazon.de>
Reviewed-by: Martin Mazein <amazein@amazon.de>
Reviewed-by: Bjoern Doebel <doebel@amazon.de>
Reviewed-by: Ross Lagerwall <ross.lagerwall@citrix.com>
[Fix indentation and double LIVEPATCH prefixes, drop gratuitous punctuation]
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>