Moving the cursor to x=2, y=2 with "\e[3;3H" on a 12x2 framebuffer
console lead to a barebox crash while drawing the cursor. If the
cursor position is out of bounds clip the cursor to the corresponding
edge.
Signed-off-by: Bastian Stender <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>