i.MX35: return IPU clock's value for mx3fb

without this patch, ipu_clk's value is 0 thus preventing mx3fb from
calculating the right divisor for pixel clock generator.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 file changed