media: zoran: convert mdelay to udelay

As asked by checkpath, let's use udelay.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/zoran/zoran_device.c

@@ -1332,9 +1332,9 @@ void zoran_init_hardware(struct zoran *zr)
 void zr36057_restart(struct zoran *zr)
 {
 	btwrite(0, ZR36057_SPGPPCR);
-	mdelay(1);
+	udelay(1000);
 	btor(ZR36057_SPGPPCR_SoftReset, ZR36057_SPGPPCR);
-	mdelay(1);
+	udelay(1000);
 
 	/* assert P_Reset */
 	btwrite(0, ZR36057_JPC);