MAINTAINERS: add Ilias Apalodimas to EFI PAYLOAD as co-maintainer

Ilias has since long been reviewing UEFI patches.
Now he has volunteered to assist me in maintaining the sub-system.

Cc: Ilias Apalodimas <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>

Author: xypron

MAINTAINERS

@@ -827,6 +827,7 @@ F:	test/dm/efi_media.c
 
 EFI PAYLOAD
 M:	Heinrich Schuchardt <[email protected]>
+M:	Ilias Apalodimas <[email protected]>
 S:	Maintained
 T:	git https://source.denx.de/u-boot/custodians/u-boot-efi.git
 F:	doc/api/efi.rst