HID: roccat: don't use #pragma pack

Replace #pragma pack ocurences with __atribute__((__packed__));

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --cc drivers/hid/hid-roccat-kone.h
Simple merge

diff --cc drivers/hid/hid-roccat-koneplus.h
Simple merge

diff --cc drivers/hid/hid-roccat-pyra.h
Simple merge