staging: sm750fb: line over 80 characters

Convert a single line comment to a multiline comment to respect the 80
character rule.Problem found using checkpatch.
Signed-off-by: Gokce Kuler <gokcekuler@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Link: https://lore.kernel.org/r/20200328201513.GA16863@siyah2Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/sm750.c

@@ -709,7 +709,9 @@ static int sm750fb_set_drv(struct lynxfb_par *par)
 		} else {
 			output->paths = sm750_crt;
 			crtc->channel = sm750_primary;
-			/* not consider of padding stuffs for oScreen,need fix */
+			/* not consider of padding stuffs for oScreen,
+			 * need fix
+			 */
 			crtc->oScreen = sm750_dev->vidmem_size >> 1;
 			crtc->vScreen = sm750_dev->pvMem + crtc->oScreen;
 		}