pinctrl: SPEAr3xx: correct register space to configure pwm

To have pwm on pad no. 34 we also need to select between pwm and SD_LED
functions. Add this to pwm pin mux register configuration.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c
index 020b1e0..4fccf95 100644
--- a/drivers/pinctrl/spear/pinctrl-spear320.c
+++ b/drivers/pinctrl/spear/pinctrl-spear320.c
@@ -2240,6 +2240,10 @@
 		.mask = PMX_SSP_CS_MASK,
 		.val = 0,
 	}, {
+		.reg = MODE_CONFIG_REG,
+		.mask = PMX_PWM_MASK,
+		.val = PMX_PWM_MASK,
+	}, {
 		.reg = IP_SEL_PAD_30_39_REG,
 		.mask = PMX_PL_34_MASK,
 		.val = PMX_PWM2_PL_34_VAL,