roomservice: Bump devices per page to 200

Limit was reached again when attempting to
lunch various projects, such as steelhead.

Change-Id: I2f3b9705e07e1e47b86857aeb383cf7c99fcdbdc
Signed-off-by: William Roberts <bill.c.roberts@gmail.com>

Conflicts:

	tools/roomservice.py

Signed-off-by: iGio90 <giovanni.rocca.90@gmail.com>