mtp: in debug traces, print IDs as hexadecimal values instead of decimal ones
mtp: in debug traces, print IDs as hexadecimal values instead of decimal ones

Hexadecimal IDs are much easier to read than their decimal counterparts.

Signed-off-by: Rok Mandeljc <883aac631e8c222ad7fb3cf8ce1133e652b9b999@gmail.com>

gicmo/gvfs,gicmo/gvfs,gicmo/gvfs,gicmo/gvfs