spi: pxa2xx_spi clock resume bugfix

There is a typo in pxa2xx_spi.c, comment says "Enable the SSP clock", code
says: clk_disable ... so after resume, the SSP is dead.

Signed-off-by: David Brownell <[e-mail]>
Cc: Ned Forrester <[e-mail]>
Cc: Stephen Street <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/spi/pxa2xx_spi.c

···
 	int status = 0;
 
 	/* Enable the SSP clock */
-	clk_disable(ssp->clk);
+	clk_enable(ssp->clk);
 
 	/* Start the queue running */
 	status = start_queue(drv_data);