[ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1

The is caused by the patch below:

  [ARM] 4737/1: Refactor corgi_lcd to improve readability + bugfix

It renamed the confusing get_hsync_len() to get_hsync_invperiod(), which
unfortunately leaves poodle.c un-modified.
Signed-off-by: eric miao <eric.miao@marvell.com>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/poodle.c

@@ -164,7 +164,7 @@ static struct resource poodlets_resources[] = {
 	},
 };
 
-static unsigned long poodle_get_hsync_len(void)
+static unsigned long poodle_get_hsync_invperiod(void)
 {
 	return 0;
 }
@@ -174,7 +174,7 @@ static void poodle_null_hsync(void)
 }
 
 static struct corgits_machinfo  poodle_ts_machinfo = {
-	.get_hsync_len   = poodle_get_hsync_len,
+	.get_hsync_invperiod	= poodle_get_hsync_invperiod,
 	.put_hsync       	= poodle_null_hsync,
 	.wait_hsync      	= poodle_null_hsync,
 };