pinctrl: sirf: correct the pin index of ac97_pins group

according to datasheet and ac97_muxmask assignment, ac97_pins should be
corrected.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/sirf/pinctrl-prima2.c

@@ -413,7 +413,7 @@ static const struct sirfsoc_padmux ac97_padmux = {
 	.funcval = 0,
 };
 
-static const unsigned ac97_pins[] = { 33, 34, 35, 36 };
+static const unsigned ac97_pins[] = { 43, 44, 45, 46 };
 
 static const struct sirfsoc_muxmask spi1_muxmask[] = {
 	{